The appearance of the amniotic egg was a key evolutionary advancement in:
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Correct answer: Reptiles
The amniotic egg allowed reproduction independent of water, enabling reptiles to colonize terrestrial environments. This was a major evolutionary step.
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More Modern Animal Classification questions
- Which vertebrate group is characterized by feathers?
- Mammals are distinguished from other vertebrates by the presence of:
- Which evidence is most useful for determining evolutionary relationships?
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- The modern system of classification that uses shared derived characters is called:
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