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4 Cards in this Set
- Front
- Back
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Oxygen absorption |
Fish: Gills Amphibians, birds, mammals, reptiles: lungs |
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Reproduction |
Mammals: viviparous Birds, reptiles, amphibians, fish: oviparous |
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Thermoregulation |
Mammals, birds: homeotherm Reptiles, amphibians, fish: poikilotherm |
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Fertilisation |
Reptiles, birds, mammals: internal Fish, amphibians: external |
