Term
| Q: What is the Protist Kingdom? |
|
Definition
| A: The Protist Kingdom is a diverse group of eukaryotic organisms that are not plants, animals, or fungi. |
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Term
| Q: What are some examples of protists? |
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Definition
| A: Some examples of protists include amoebas, paramecia, and algae. |
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Term
| Q: How do protists differ in shape and anatomy? |
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Definition
| A: Protists can differ greatly in shape and anatomy, ranging from unicellular to multicellular organisms with complex structures. |
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Term
| Q: How do protists obtain their nutrients? |
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Definition
| A: Protists can obtain their nutrients through photosynthesis, ingestion, or absorption. |
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Term
| Q: What is binary fission? |
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Definition
| A: Binary fission is a form of asexual reproduction in which a single cell divides into two identical daughter cells. |
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Term
| Q: What is the Mollusca Phylum? |
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Definition
| A: The Mollusca Phylum is a diverse group of invertebrate animals that includes snails, clams, and octopuses. |
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Term
| Q: What are some examples of molluscs? |
|
Definition
| A: Some examples of molluscs include snails, slugs, clams, oysters, squid, and octopuses. |
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Term
| Q: How do molluscs differ in their shell structure? |
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Definition
| A: Molluscs can have a variety of shell structures, ranging from single shells to no shells at all. |
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Term
| Q: What is the anatomy of a mollusc? |
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Definition
| A: The anatomy of a mollusc includes a muscular foot, a visceral mass, and a mantle that secretes the shell. |
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Term
| Q: What is the diet of a mollusc? |
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Definition
| A: The diet of a mollusc can vary depending on the species, but can include algae, plankton, detritus, and other small organisms. |
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Term
| Q: What is the difference between a bivalve and a gastropod? |
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Definition
| A: Bivalves are molluscs with two shells, while gastropods are molluscs with a single, spiral shell. |
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Term
| Q: What is the difference between a cephalopod and a gastropod? |
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Definition
| A: Cephalopods are molluscs with a modified foot that forms tentacles around the mouth, while gastropods have a muscular foot used for locomotion. |
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Term
| Q: What is the Clitellata Class? |
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Definition
| A: The Clitellata Class is a group of annelid worms that includes earthworms and leeches. |
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Term
| Q: What is the anatomy of an annelid worm? |
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Definition
| A: The anatomy of an annelid worm includes a segmented body, a digestive system, and a nervous system. |
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Term
| Q: What is the diet of an annelid worm? |
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Definition
| A: Annelid worms can have a variety of diets, ranging from detritus and algae to other small organisms. |
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Term
| Q: What is the difference between a flatworm and a tapeworm? |
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Definition
| A: Flatworms are a type of protist that are flat and have a simple digestive system, while tapeworms are parasitic flatworms that live in the intestines of animals. |
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Term
| Q: What is the difference between a choanocyte and a spicule? |
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Definition
| A: Choanocytes are specialized cells found in sponges that help filter food and create a flow of water, while spicules are small, needle-like structures that protect the sponge. |
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Term
| Q: What is the difference between a cilia and a flagella? |
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Definition
| A: Cilia and flagella are both organelles used for movement, but cilia are shorter and more numerous, while flagella are longer and less numerous. |
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Term
| Q: What is the difference between autotrophy and heterotrophy? |
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Definition
| A: Autotrophy is the process by which an organism produces its own nutrients from the environment, while heterotrophy is the process by which an organism obtains nutrients by consuming other organisms. |
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Term
| Q: What is the difference between a nucleus and a mitochondria? |
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Definition
| A: The nucleus is the organelle that contains the genetic material of a cell, while mitochondria are organelles that produce energy for the cell. |
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Term
|
Definition
|
|
Term
| What is the Protist Kingdom? |
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Definition
| Protists are a diverse group of eukaryotic microorganisms that are not fungi, plants, or animals. [T4] |
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|
Term
| What are some examples of protists? |
|
Definition
| Some examples of protists include amoebas, paramecia, and algae. [T4] |
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|
Term
| How do protists differ in shape and anatomy? |
|
Definition
| Protists can be unicellular or multicellular, and they can have various shapes and structures, such as flagella, cilia, or pseudopodia. [T4] |
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|
Term
| How do protists obtain their nutrients? |
|
Definition
| Protists can be autotrophic, heterotrophic, or mixotrophic, meaning they can produce their own food, consume other organisms, or do both. [T4] |
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|
Term
|
Definition
| Binary fission is a form of asexual reproduction in which a cell divides into two identical daughter cells. [T4] |
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|
Term
| What is the Fungi Kingdom? |
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Definition
| Fungi are a diverse group of eukaryotic organisms that include yeasts, molds, and mushrooms. [T5] |
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|
Term
| What is the main characteristic of fungi? |
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Definition
| Fungi are heterotrophic organisms that obtain their nutrients by absorbing organic matter from their environment. [T5] |
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|
Term
| What is the structure of fungi? |
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Definition
| Fungi have a filamentous structure called hyphae, which can form a network called mycelium. [T5] |
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Term
| What is the role of fungi in the ecosystem? |
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Definition
| Fungi play a crucial role in the ecosystem by decomposing organic matter and recycling nutrients. They also form mutualistic relationships with other organisms, such as plants. [T5] |
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|
Term
| What is the Animal Kingdom? |
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Definition
| Animals are a diverse group of multicellular eukaryotic organisms that are heterotrophic and mobile. [T6] |
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|
Term
| What are the main characteristics of animals? |
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Definition
| Animals are multicellular, heterotrophic, and have specialized tissues and organs. They also have a nervous system and can move. [T6] |
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|
Term
| What are the different types of symmetry in animals? |
|
Definition
| Animals can have radial symmetry, bilateral symmetry, or asymmetry. [T6] |
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|
Term
| What is the difference between invertebrates and vertebrates? |
|
Definition
| Invertebrates are animals without a backbone, while vertebrates have a backbone or a spinal column. [T6] |
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|
Term
| What is the Mollusc Kingdom? |
|
Definition
| Molluscs are a diverse group of invertebrate animals that include snails, clams, and octopuses. [T7] |
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|
Term
| What are the main characteristics of molluscs? |
|
Definition
| Molluscs have a soft body, a muscular foot, and a mantle that can secrete a shell. They also have a radula, a feeding organ with teeth. [T7] |
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|
Term
| What are the different classes of molluscs? |
|
Definition
| The different classes of molluscs include Gastropoda, Bivalvia, and Cephalopoda. [T7] |
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|
Term
| What is the structure of a mollusc shell? |
|
Definition
| A mollusc shell is composed of calcium carbonate and can have various shapes and structures, such as coiled, bivalve, or chambered. [T7] |
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|
Term
| What is the function of a mollusc foot? |
|
Definition
| A mollusc foot is a muscular organ that can be used for locomotion, attachment, or digging. [T7] |
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|
Term
| What is the function of a mollusc mantle? |
|
Definition
| A mollusc mantle is a thin layer of tissue that can secrete a shell, protect the body, or aid in respiration. [T7] |
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|
Term
| What is the function of a mollusc radula? |
|
Definition
| A mollusc radula is a feeding organ with teeth that can scrape or shred food. [T7] |
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|
Term
| What is the Arthropod Kingdom? |
|
Definition
| Arthropods are a diverse group of invertebrate animals that include insects, spiders, and crustaceans. [T8] |
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Term
| What are the main characteristics of arthropods? |
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Definition
| Arthropods have a segmented body, a hard exoskeleton, and jointed appendages. They also have an open circulatory system and can molt. [T8] |
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Term
| What are the different types of arthropod appendages? |
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Definition
| Arthropod appendages can be modified for various functions, such as walking, swimming, or grasping. They can also be specialized into antennae, mouthparts, or wings. [T8] |
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Term
| What is the difference between complete and incomplete metamorphosis? |
|
Definition
| Complete metamorphosis is a type of insect development that involves four stages: egg, larva, pupa, and adult. Incomplete metamorphosis is a type of insect development that involves three stages: egg , nymph, and adult. [T8] |
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|
Term
| What is the Echinoderm Kingdom? |
|
Definition
| Echinoderms are a diverse group of marine invertebrate animals that include sea stars, sea urchins, and sea cucumbers. [T9] |
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Term
| What are the main characteristics of echinoderms? |
|
Definition
| Echinoderms have a radial symmetry, a water vascular system, and tube feet. They also have a regenerative ability and can autotomize their limbs. [T9] |
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Term
| What is the function of a water vascular system in echinoderms? |
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Definition
| A water vascular system is a network of fluid-filled canals and tube feet that can be used for locomotion, feeding, and respiration. [T9] |
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|
Term
| What is the function of tube feet in echinoderms? |
|
Definition
| Tube feet are small, suction-cup-like structures that can be used for attachment, locomotion, and feeding. [T9] |
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|
Term
| What is the difference between a sea star and a sea urchin? |
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Definition
| Sea stars have a central disk and five or more arms, while sea urchins have a spherical or flattened body covered with spines. [T9] |
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|
Term
| What is the Chordate Kingdom? |
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Definition
| Chordates are a diverse group of animals that include fish, amphibians, reptiles, birds, and mammals. [T10] |
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Term
| What are the main characteristics of chordates? |
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Definition
| Chordates have a notochord, a dorsal nerve cord, pharyngeal slits, and a post-anal tail. They also have a closed circulatory system and can regulate their body temperature. [T10] |
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Term
| What is the difference between a fish and a mammal? |
|
Definition
| Fish are aquatic animals with gills, fins, and scales, while mammals are terrestrial or aquatic animals with lungs, hair or fur, and mammary glands. [T10] |
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Term
| What is the function of a notochord in chordates? |
|
Definition
| A notochord is a flexible rod that can provide support and structure to the body. In some chordates, it can be replaced by a vertebral column. [T10] |
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Term
| What is the function of pharyngeal slits in chordates? |
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Definition
| Pharyngeal slits are openings in the pharynx that can be used for filter-feeding, respiration, or sound production. In some chordates, they can be modified into gills or other structures. [T10] |
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Term
| What is the difference between an amphibian and a reptile? |
|
Definition
| Amphibians are cold-blooded animals that can live both on land and in water, while reptiles are cold-blooded animals that are adapted to live on land. Amphibians have smooth, moist skin and lay eggs in water, while reptiles have dry, scaly skin and lay eggs on land. [T10] |
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|
Term
| What is the difference between a bird and a mammal? |
|
Definition
| Birds are warm-blooded animals with feathers, wings, and beaks, while mammals are warm-blooded animals with hair or fur, mammary glands, and specialized teeth. Birds lay eggs and have a lightweight skeleton, while mammals give birth to live young and have a heavier skeleton. [T10] |
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Term
| What is the difference between an endothermic and an ectothermic animal? |
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Definition
| Endothermic animals can regulate their body temperature internally, while ectothermic animals rely on external sources of heat to regulate their body temperature. Mammals and birds are endothermic, while reptiles and amphibians are ectothermic. [T10] |
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Term
| What is the difference between a herbivore and a carnivore? |
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Definition
| Herbivores are animals that eat plants or algae, while carnivores are animals that eat other animals. Some animals, such as omnivores, can eat both plants and animals. [T7] |
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Term
| What is the difference between sexual and asexual reproduction? |
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Definition
| Sexual reproduction involves the fusion of gametes from two parents, while asexual reproduction involves the production of offspring from a single parent. Sexual reproduction can result in genetic diversity, while asexual reproduction can result in genetic uniformity. |
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Term
| What is the difference between autotrophic and heterotrophic nutrition? |
|
Definition
| Autotrophic nutrition involves the production of organic matter from inorganic substances, such as carbon dioxide and water, through photosynthesis or chemosynthesis. Heterotrophic nutrition involves the consumption of organic matter from other organisms. [T4] |
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|
Term
| What is the difference between radial and bilateral symmetry? |
|
Definition
| Radial symmetry is a type of symmetry in which the body can be divided into identical halves by multiple planes passing through a central axis. Bilateral symmetry is a type of symmetry in which the body can be divided into identical halves by a single plane passing through the midline. [T6] |
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Term
| What is the difference between a closed and an open circulatory system? |
|
Definition
| A closed circulatory system is a type of circulatory system in which blood is contained within vessels and is pumped by a heart. An open circulatory system is a type of circulatory system in which blood is not contained within vessels and is pumped by a heart or other organs. [T6] [T9] |
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|
Term
| What is the difference between a vertebrate and an invertebrate? |
|
Definition
| Vertebrates are animals with a backbone or a spinal column, while invertebrates are animals without a backbone or a spinal column. [T6] [T7] |
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Term
| What is the difference between a tetrapod and a fish? |
|
Definition
| Tetrapods are animals with four limbs or legs, while fish are aquatic animals with fins and gills. Tetrapods can live on land or in water, while fish are adapted to live in water. [T10] |
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Term
| What is the difference between a salamander and a frog? |
|
Definition
| Salamanders are amphibians with a long body, a long tail, and four short legs. Frogs are amphibians with a wider body, no tail, and longer hind legs adapted for jumping. |
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Term
| What is the difference between a newt and an axolotl? |
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Definition
| Newts are salamanders with a rough, bumpy skin and a more terrestrial lifestyle. Axolotls are salamanders with a smooth, shiny skin and a more aquatic lifestyle. Axolotls can also regenerate their limbs and other body parts. |
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Term
| What is the difference between a toad and a frog? |
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Definition
| Toads are frogs with a wider body, shorter legs, and a drier, bumpier skin. Frogs are more slender and have a smoother, moist skin. Toads are also adapted to live in drier environments. |
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Term
| What is the difference between a tapeworm and a flatworm? |
|
Definition
| Tapeworms are parasitic flatworms that live in the intestines of vertebrates, while flatworms are a diverse group of free-living or parasitic worms with a flattened body. Tapeworms can cause health problems in humans and other animals, while some flatworms can be beneficial or harmful to their hosts. |
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Term
| What is the difference between a sponge and a choanoflagellate? |
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Definition
| Sponges are multicellular animals with a porous body and no true tissues or organs. Choanoflagellates are unicellular protists with a collar-like structure that can be used for feeding and movement. Sponges are filter feeders that can extract nutrients from water, while choanoflagellates are predators or filter feeders that can capture small particles or bacteria. [T4] |
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Term
| What is the difference between a cartilaginous and a bony fish? |
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Definition
| Cartilaginous fish, such as sharks and rays, have a cartilaginous skeleton and dermal denticles instead of scales. Bony fish, such as salmon and tuna, have a bony skeleton and scales. Cartilaginous fish also have a different type of jaw and gill structure than bony fish. |
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|
Term
| What is the Protist Kingdom? |
|
Definition
| A diverse group of eukaryotic organisms that are not plants, animals, or fungi. |
|
|
Term
| What are some examples of protists? |
|
Definition
| Amoebas, paramecia, and algae. |
|
|
Term
| How do protists differ in shape and anatomy? |
|
Definition
| They can be unicellular or multicellular, and they can have a variety of shapes and structures, such as flagella, cilia, or pseudopodia. |
|
|
Term
| How do protists obtain their nutrients? |
|
Definition
| They can be autotrophic, heterotrophic, or mixotrophic. |
|
|
Term
|
Definition
| A form of asexual reproduction in which a single cell divides into two identical daughter cells. |
|
|
Term
| What is the Mollusc Kingdom? |
|
Definition
| A diverse group of invertebrate animals that have soft bodies and often have a hard shell. |
|
|
Term
| What are some examples of molluscs? |
|
Definition
| Snails, clams, and octopuses. |
|
|
Term
| What are the three main parts of a mollusc's body? |
|
Definition
| The foot, the visceral mass, and the mantle. |
|
|
Term
| What is the function of a mollusc's foot? |
|
Definition
| Movement, attachment, and capturing prey. |
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|
Term
| What is the function of a mollusc's visceral mass? |
|
Definition
| Contains the internal organs, such as the digestive, circulatory, and reproductive systems. |
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|
Term
| What is the function of a mollusc's mantle? |
|
Definition
| A thin layer of tissue that covers the visceral mass and secretes the shell. |
|
|
Term
| What are the three main classes of molluscs? |
|
Definition
| Gastropoda, Bivalvia, and Cephalopoda. |
|
|
Term
| What are some examples of Gastropoda? |
|
Definition
| Snails, slugs, and sea snails. |
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|
Term
| What are some examples of Bivalvia? |
|
Definition
| Clams, oysters, and mussels. |
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|
Term
| What are some examples of Cephalopoda? |
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Definition
| Octopuses, squids, and cuttlefish. |
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|
Term
| How do Gastropoda differ from Bivalvia and Cephalopoda in terms of their shell structure? |
|
Definition
| Gastropoda have a single, coiled shell or no shell at all. |
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|
Term
| How do Bivalvia obtain their food? |
|
Definition
| Filter feeders, meaning they obtain their food by filtering water through their gills and trapping small particles. |
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|
Term
| How do Cephalopoda obtain their food? |
|
Definition
| Active predators that use their tentacles and beak to capture and eat prey. |
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|
Term
| What is the function of a mollusc's radula? |
|
Definition
| A tongue-like organ covered in rows of tiny teeth that is used for scraping and grinding food. |
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|
Term
| What is the function of a mollusc's siphon? |
|
Definition
| A tube-like structure that is used for breathing, expelling waste, and releasing ink. |
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|
Term
| What is the function of a mollusc's ink? |
|
Definition
| A dark, cloudy substance that is released as a defense mechanism to confuse predators and allow the mollusc to escape. |
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|
Term
| What is the function of a mollusc's chromatophores? |
|
Definition
| Specialized cells that contain pigments and can change color to blend in with the environment or communicate with other molluscs. |
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|
Term
| What is the function of a mollusc's statocyst? |
|
Definition
| A sensory organ that contains small, dense particles called statoliths that help the mollusc maintain balance and orientation. |
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|
Term
| What is the function of a mollusc's eyes? |
|
Definition
| Used for detecting light and dark, as well as some basic shapes and movements. |
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|
Term
| What is the function of a mollusc's gills? |
|
Definition
| Used for breathing and extracting oxygen from water. |
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|
Term
| What is the function of a mollusc's heart? |
|
Definition
| Pumps blood throughout the body. |
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|
Term
| What is the function of a mollusc's nephridia? |
|
Definition
| Filters waste products from the blood and excretes them from the body. |
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|
Term
| What is the function of a mollusc's adductor muscles? |
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Definition
| Used to close the shell and protect the mollusc from predators. |
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|
Term
| What is the function of a mollusc's operculum? |
|
Definition
| A hard, protective structure that covers the opening of the shell in some species. |
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|
Term
| What is the function of a mollusc's byssus? |
|
Definition
| A bundle of strong, silky threads that some species use to attach themselves to rocks or other surfaces. |
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|
Term
| What is the function of a mollusc's foot gland? |
|
Definition
| Secretes mucus to help the mollusc move and protect itself from predators. |
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|
Term
| What is the function of a mollusc's osphradium? |
|
Definition
| A sensory organ that detects chemicals in the water and helps the mollusc locate food and mates. |
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|
Term
| What is the function of a mollusc's mantle cavity? |
|
Definition
| A space between the mantle and the visceral mass that houses the gills, anus, and reproductive organs. |
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|
Term
| What is the function of a mollusc's ink sac? |
|
Definition
| A specialized gland that produces ink for defense or communication purposes. |
|
|
Term
| What is the function of a mollusc's stylet? |
|
Definition
| A sharp, needle-like structure used for defense or capturing prey. |
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|
Term
| What is the function of a mollusc's hectocotylus? |
|
Definition
| A modified arm used for transferring sperm to the female during reproduction in some species of cephalopods. |
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|
Term
| What is the function of a mollusc's pen? |
|
Definition
| A hard, internal structure that provides support and protection in some species of cephalopods. |
|
|
Term
| What is the function of a mollusc's funnel? |
|
Definition
| A muscular tube used for jet propulsion in some species of cephalopods. |
|
|
Term
| What is the function of a mollusc's beak? |
|
Definition
| A hard, sharp structure used for biting and tearing prey in some species of cephalopods. |
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|
Term
| What is the function of a mollusc's chromatophore organs? |
|
Definition
| Specialized structures that contain pigment cells and can change color and pattern for camouflage or communication in some species of cephalopods. |
|
|
Term
| What is the function of a mollusc's sucker discs? |
|
Definition
| Circular structures with suction cups used for grasping and manipulating objects in some species of cephalopods. |
|
|
Term
| What is the function of a mollusc's fin? |
|
Definition
| A broad, muscular structure used for swimming and maneuvering in some species of cephalopods. |
|
|
Term
| What is the function of a mollusc's funnel organ? |
|
Definition
| A sensory structure that detects water flow and helps the cephalopod maintain balance and orientation. |
|
|
Term
| What is the Protist Kingdom? |
|
Definition
| Protists are a diverse group of eukaryotic microorganisms that are not plants, animals, or fungi. |
|
|
Term
| What is the main characteristic of protists? |
|
Definition
| Protists are unicellular or multicellular organisms with a nucleus and membrane-bound organelles. |
|
|
Term
| What are some examples of protists? |
|
Definition
| Examples of protists include amoebas, paramecia, euglenas, and diatoms. |
|
|
Term
| How do protists differ in shape and anatomy? |
|
Definition
| Protists can be spherical, elongated, or irregular in shape, and they can have cilia, flagella, or pseudopodia for movement. |
|
|
Term
| How do protists obtain their nutrients? |
|
Definition
| Protists can be autotrophic, heterotrophic, or mixotrophic, and they can obtain their nutrients through photosynthesis, ingestion, or absorption. |
|
|
Term
| What is the process of binary fission? |
|
Definition
| Binary fission is a form of asexual reproduction in which a cell divides into two identical daughter cells. |
|
|
Term
| What is the Mollusc Kingdom? |
|
Definition
| Molluscs are a diverse group of invertebrate animals that have a soft body, a muscular foot, and a mantle that secretes a shell. |
|
|
Term
| What are some examples of molluscs? |
|
Definition
| Examples of molluscs include snails, clams, octopuses, and squids. |
|
|
Term
| What are the different classes of molluscs? |
|
Definition
| The different classes of molluscs are Gastropoda, Bivalvia, Cephalopoda, Polyplacophora, and Scaphopoda. |
|
|
Term
| How do molluscs differ in their shell structure? |
|
Definition
| Molluscs can have a single shell, two shells, or no shell, and their shells can be spiral, conical, or flattened. |
|
|
Term
| What is the function of the muscular foot in molluscs? |
|
Definition
| The muscular foot is used for movement, attachment, and burrowing in molluscs. |
|
|
Term
| What is the function of the mantle in molluscs? |
|
Definition
| The mantle is a thin layer of tissue that covers the body of molluscs and secretes the shell in some species. |
|
|
Term
| What is the function of the radula in molluscs? |
|
Definition
| The radula is a ribbon-like structure with rows of teeth that is used for feeding in molluscs. |
|
|
Term
| What is the function of the gills in molluscs? |
|
Definition
| The gills are used for respiration and filter feeding in some molluscs. |
|
|
Term
| What is the function of the siphon in molluscs? |
|
Definition
| The siphon is a tube-like structure that is used for water intake and waste expulsion in some molluscs. |
|
|
Term
| What is the diet of gastropods? |
|
Definition
| Gastropods are herbivores, carnivores, or detritivores, and they feed on algae, plants, animals, or decaying matter. |
|
|
Term
| What is the diet of bivalves? |
|
Definition
| Bivalves are filter feeders, and they feed on plankton, bacteria, and organic matter that they filter from the water. |
|
|
Term
| What is the diet of cephalopods? |
|
Definition
| Cephalopods are carnivores, and they feed on fish, crustaceans, and other molluscs that they capture with their tentacles. |
|
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Term
| What is the function of the ink sac in cephalopods? |
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Definition
| The ink sac is used for defense and distraction in cephalopods, as it releases a cloud of dark ink that confuses predators. |
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Term
| What is the function of the chromatophores in cephalopods? |
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Definition
| The chromatophores are pigment cells that allow cephalopods to change color and pattern for camouflage, communication, and aggression. |
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Term
| What is the function of the shell in polyplacophorans? |
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Definition
| Polyplacophorans have a shell composed of eight overlapping plates that protect their body and provide attachment for their muscles. |
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Term
| What is the function of the tusk shell in scaphopods? |
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Definition
| Scaphopods have a tubular shell that is open at both ends and is used for burrowing in sediment and capturing food. |
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Term
| What is the function of the operculum in some gastropods? |
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Definition
| The operculum is a trapdoor-like structure that covers the opening of the shell in some gastropods and provides protection and moisture retention. |
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Term
| What is the function of the pen in squids? |
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Definition
| The pen is a stiff internal structure that provides support and shape to the body of squids. |
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Term
| What is the function of the hectocotylus in male cephalopods? |
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Definition
| The hectocotylus is a modified arm that is used for transferring sperm to the female during mating in male cephalopods. |
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Term
| What is the difference between autotrophic and heterotrophic protists? |
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Definition
| Autotrophic protists can produce their own food through photosynthesis, while heterotrophic protists rely on other organisms for their food. |
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Term
| What is the difference between cephalopods and bivalves in terms of locomotion? |
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Definition
| Cephalopods are active swimmers that use their muscular mantle and jet propulsion to move, while bivalves are sedentary filter feeders that use their muscular foot to burrow and anchor themselves. |
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Term
| What is the difference between a sponge and other animals in terms of symmetry? |
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Definition
| Sponges are asymmetrical animals that lack true tissues and organs, while other animals have radial or bilateral symmetry and distinct body systems. |
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Term
| What is the function of the choanocytes in sponges? |
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Definition
| The choanocytes are specialized cells that line the internal cavity of sponges and create a flow of water for filter feeding and gas exchange. |
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Term
| What is the function of the spicules in sponges? |
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Definition
| The spicules are mineral structures that provide support and protection to the body of sponges. |
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Term
| What is the difference between sexual and asexual reproduction in sponges? |
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Definition
| Sexual reproduction in sponges involves the fusion of gametes from different individuals, while asexual reproduction involves the budding or fragmentation of a single individual. |
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Term
| What is the function of the osculum in sponges? |
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Definition
| The osculum is the large opening at the top of the sponge that allows water with waste products to exit the body. |
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Term
| What is the difference between tapeworms and flatworms in terms of their diet? |
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Definition
| Tapeworms are parasitic flatworms that live in the intestines of vertebrates and absorb nutrients from their host's food, while free-living flatworms can be herbivores, carnivores, or scavengers. |
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Term
| What is the difference between external and internal fertilization in molluscs? |
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Definition
| External fertilization in molluscs occurs when the male releases sperm into the water and the female releases eggs, while internal fertilization occurs when the male transfers sperm directly to the female's reproductive tract. |
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Term
| What is the difference between cephalopods and other molluscs in terms of their intelligence? |
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Definition
| Cephalopods are considered to be the most intelligent of all invertebrates, with complex nervous systems, advanced sensory organs, and sophisticated behaviors such |
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