Term
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Definition
| ___ have moist skin that compliments the lungs in gas exchange. |
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Term
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Definition
| order ___ includes frogs and toads, which lack tails |
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Term
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Definition
| Order Anura includes ___ in addition to frogs and toads, which are legless and resemble worms |
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Term
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Definition
| ___ are tetrapods that have terrestrially adapted eggs |
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Term
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Definition
| Amniotes are a group of tetrapods whose living members are the ___ and the __. |
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Term
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Definition
| Amniotes are named for the major derived character of the clade, the ___, which contains specialized membranes that protect the embryo |
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Term
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Definition
| most reptiles are ___, absorbing external heat as the main source of body heat |
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Term
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Definition
| Birds are ___, capable of keeping the body warm through metabolism |
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Term
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Definition
| The oldest reptilian fossils date to about ___ years ago. |
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Term
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Definition
| The first major group of reptiles to emerge were the ___, which were mostly herbivores. |
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Term
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Definition
| The second major group of reptiles to emerge were the ___, some of whose members survive today. |
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Term
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Definition
| one surviving lineage of lepidosaurs is called the ___. |
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Term
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Definition
| Where can you find the tuatara? |
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Term
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Definition
| the other major living group of lepidosaurs are the ___, the lizards and snakes. |
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Term
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Definition
| crocodilians and birds are ___ |
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Term
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Definition
| birds probably descended from ___, a group of bipedal, carnivorous dinosaurs |
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Term
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Definition
| ___ is the oldest bird known |
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Term
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Definition
| The ___ are all flightless: emus, ostriches and rheas. |
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Term
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Definition
| The ___ live in Australia |
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Term
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Definition
| Mammals evolved from reptiles called ___. |
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Term
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Definition
| ___ are a small group of egg-laying mammals including the echidna and platypus |
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Term
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Definition
| In some species of marsupials, such as the ___, the marsupium opens tot he rear of the mother's body as opposed to the front, as in other marsupials. |
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Term
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Definition
| these are placental mammals |
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Term
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Definition
| compared to marsupials, ___ have a longer period of pregnancy |
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Term
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Definition
| young eutherians complete their embryonic development within a ___, joined to the mother by the ___. |
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