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Definition
| p. 368: Living organisms that have a skeleton, or a backbone. |
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| Vertebrates are a subgroup in the phyllum chordata. |
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Definition
| A flexible rod that supports a vertabrate |
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| Requires no help from the environment to control temperature. |
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Definition
| A vertebrate whose body temperature is controlled by the environment, like a snake. |
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Definition
| A vertebrate that lives in water and uses gills to breathe. They are ectotherms. |
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| The major group of fishes are jawless fishes, cartilaginous fishes and bony fishes. Examples: Hagfish and lampreys |
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Definition
| A tissue that is more flexible than a bone. |
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Definition
| Fish with jaws, scales and a skeleton made of cartilage. Example: Shark, rays and skates |
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Definition
| Bony fish contain swim bladders that is an internal, gas-filled sac that helps the fish stay stable at different water depths. |
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| Fish with jaws, scales, gill slits and a skeleton made of bones. Example: Salmon |
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Definition
| A vertebrate that is endothermic and spends 1/2 of its life in the water and 1/2 on land. Needs water to reproduce. There are 2 groups, salamanders and frogs/toads. Example: Frog |
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Definition
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| Adaptations for life on land in a frog: |
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Definition
| Respiratory and Circulatory systems---Lungs and 3 chambered heart. |
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Definition
| Amphibians with long, slender bodies that keep their tails as adults. |
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Term
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Definition
| The process of transformation from an immature form to an adult form in two or more distinct stages. |
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Term
| Frog's breath in what 3 ways: |
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Definition
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Term
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Definition
| the specific environment in which an animal lives |
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| Why are amphibians in danger? |
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Definition
| Eggs don't have shells and skin is sensitive |
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Term
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Definition
| Ectothermic vertabrae that has lungs and scaly skin |
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Definition
| snake, alligator, lizard, turtle, dinosaur |
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Term
| Reptiles obtain oxygen from? |
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Definition
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Definition
| Protects and helps maintain balance of water in the body |
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Term
| How does the kidney going to help reptiles? |
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Definition
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| Reptile eggs keep them from drying out how? |
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Definition
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Term
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Definition
| meat eating animals, like Alligators and Crocodiles |
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