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15 Cards in this Set
- Front
- Back
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The word amphibian is Greek for...one in water and one on land |
Double life |
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Because they are .....frogs must hibernate to lower their metabolic rate in water |
Exothermic |
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Amphibians also lower their metabolic rate when it's too hot , this is called ... |
Estivation |
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Amphibians .....by burring themselves in the mud , like turtles |
Hibernation |
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Having .....means that frogs must return to water to lay and hatch them |
Fish like eggs |
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Because of evolution and their development ...had little competition on land , so they flourished |
Amphibians |
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Frogs hears with an external ear drum called the ... membrane |
Xympanic |
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Unlike frogs ....lay their eggs on land they are more like reptiles |
Salamanders |
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Amphibians experience ....when changing from larva to adults |
Metemorphosis |
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Some amphibians mudpuppies never leave the larva stage they keep |
External gills |
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Scientists know that , since 1990 ....have crashes around the world |
Frog population |
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Amphibians are the world's best ....species |
Biological indicators |
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This means a frogs health is a direct reflection of the health of their |
Eco system |
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.....is causing too much UV light, thus killing frog eggs in shallow water |
Ozone depletion |
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All reptiles have lungs and a ...sysytem |
Close circulatory |
