Term
| Animals must have efficient ___________ with the environment |
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Definition
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Term
| Name 4 examples of small aquatic animals that just use diffusion through the body surface. What is this process of gas exchange called? |
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Definition
| Sponge, cnidarians, flatworms, amphioxous |
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Term
| What 2 things do you need for gas exchange systems (during respiration?) and why? |
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Definition
| O2 is the Final Electron Acceptor and CO2 is a waste product |
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Term
| What kind of animals have evolved a waterproof covering? |
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Definition
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Term
| Why was a circulatory system necessary? |
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Definition
| Gas diffuses slowly through tissues so it was necessary for proper gas distribution |
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Term
| Air contains ______ more O2 than _______. |
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Definition
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Term
| Advanced fishes use as much as ____ of their energy to extract _______ from ______. |
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Definition
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