Term
| What are the 5 characteristics of animals? |
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Definition
1. many celled
2. depend on other living things for food
3. cells have nucleus and other specialized structures
4. digest food
5. move from place to place |
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Term
| What are the three Laws of Thermodynamics? |
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Definition
1. internal energy is constant
2. heat can't flow from colder to hotter location
3. absolute zero is not possible |
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Term
| List two physical adaptations. |
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Definition
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Term
| List two behavioral adaptations. |
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Definition
| skunk spray and squid ink |
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Term
| What is the difference between invertebrates and vertebrates? |
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Definition
| invertebrates have no backbones; vertebrates do have backbones |
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Term
| What are the three types of symmetry for animals? |
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Definition
1. asymmetrical -- no symmetry
2. radial -- circle
3. bilateral -- mirror image |
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Term
| Why is a sponge different from other animals? |
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Definition
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Term
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Definition
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Term
| What is the function of the collar cell in a sponge? |
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Definition
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Term
| What is the function of the spicules and spongin in a sponge? |
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Definition
| They provide support for a sponge and protection from predators. |
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Term
| What are the 2 body forms of cnidarians? |
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Definition
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Term
| Explain in detail the polyp. |
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Definition
| It is shaped like a vase and is sessile. |
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Term
| Explain in detail the medusa. |
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Definition
| It is bell shaped and free-swimming. |
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Term
| How do cnidarians get their food? |
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Definition
| The polyp stings and the medusa uses tentacles. |
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Term
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Definition
| They pile on top of each other and make layers of coral. |
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Term
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Definition
| planarians, flukes, and tapeworms |
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Term
| Where did roundworms originate? |
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Definition
| Scientists are not sure from what they originated. |
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Term
| Name three roundworms that cause diseases in humans. |
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Definition
| heartworms, hookworms, and pinworms |
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