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Biology 19 Online
OpenStudy (anonymous):

The observation that the front limbs of birds and reptiles have similar homologous structures supports which of the following? Birds and reptiles use these structures for the same motion. Birds and reptiles developed in parallel without relation. Birds and reptiles evolved from a common ancestor. Birds and reptiles were influenced by the same environmental factors.

OpenStudy (anonymous):

Birds and reptiles evolved from a common ancestor. for sure im taking the exam now

OpenStudy (secret-ninja):

I just watched Jurassic Park so i guess yeah

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