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15 Cards in this Set
- Front
- Back
Order Anura |
No Tail |
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Order Urodela |
Visible Tail |
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Order Apoda |
No legs |
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Amphibia means- |
Two lives |
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Define tetrapod |
An animal that walks on four legs |
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What is the life cycle of a toad or frog? |
Egg mass, tadpole, tadpole with legs, young frog, adult frog |
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Why can't amphibians live in the ocean? |
Too high salinity in the water |
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What are the amphibians respiration organs? |
Skin, lungs, gills |
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What are amphibians skin characteristics? |
Smooth, moist skin. Toes have no claws. |
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What is the difference between a tadpole and adult amphibian heart? |
Adult amphibians hearts have 3 chambers, and a tadpole heart only has 2 |
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What is breathing through the skin called? |
Cutaneous breathing |
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Are they ectothermic, or endothermic? |
Ectothermic |
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Estivation vs. Hibernation |
Estivation is during the warm months and hibernation is during the cold months |
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What are amniotic eggs and do amphibians lay them? |
No, and they are eggs laid on land. |
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Why live on land vs. water? |
20 times more oxygen on land |