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| There are _ Kingdoms of life on Earth. |
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| Archaebacteria, Eubacteria, and protists |
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Definition
| You would probably have to look under a microscope to be able to see ___ |
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| Archaebacteria are also known as __ |
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| What feature is shared by all eukaryotic cells? |
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| most forms of algae lack roots, stems, and leaves |
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Definition
| In what ways are most land plants different from most forms of algea? |
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| Amphibians and reptiles are all ectotherms. "Ectotherm" means- |
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| The most abundant form of life on Earth is ___ |
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| your body wouldn't be able to digest certain types of foods |
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Definition
| What might happen if you didn't have bacteria in your digestive tract? |
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| Like cnidarians, which of these organisms reflects radial symmetry? |
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| Which phrase accurately describes a coral reef? |
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Definition
| A coral reef is most likely to be found off the coast of - |
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| both species benefit from the relationship and the other is neither harmed nor hurt |
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Definition
| Coral and algae display mutualism. What does this mean? |
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| a polyp's digestive system has only one opening |
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Definition
| How is coral polyp's digestive system different than yours? |
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Definition
| Fish use their ______ to get oxygen from the water they live in. |
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| they mainly use their sense of touch |
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Definition
| Based on their bodily features, what can you infer about the way giant squid detect their prey? |
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| invertebrates do not have spinal columns; vertabrates do |
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Definition
| What is the major difference between vertebrates and invertebrates? |
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Definition
| What type of body symmetry do humans have? |
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| Some invertebrates like jellyfish, spiders, and crabs are predators. What does this mean? |
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| The prefix "bi" means "two". With this in mind, what can you infer about the name bivalve? |
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| Why might an octopus change the color of its skin? |
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| Where would you go if you wanted to see penguins in their natural habitat? |
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| it wouldn't be able to move |
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Definition
| What might happen if a protist was missing its flagellum? |
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Term
| they probably can't be seen without a microscope |
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Definition
| What can you infer about protozoans from the fact that they are single-celled organisms? |
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Definition
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| it allows the sponge to feed |
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Definition
| Flagella inside a sponge keep water moving through its body. Why is this necessary? |
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Term
| a growth on an older sponge, a piece cut off an older sponge, a mobile larva |
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Definition
| A new sponge may begin life as: |
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Term
| the egg and the sperm unite outside the sponges' bodies |
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Definition
| When sponges reproduce sexually, fertilization occurs externally. What does this mean? |
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