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Biology 18 Online
OpenStudy (anonymous):

Reptiles and birds are divided into two classes, reptilia and aves. What fossil evidence would be the BEST support for this division?

pooja195 (pooja195):

Hey there! Welcome to openstudy! consider reading the CoC: http://openstudy.com/code-of-conduct Heres a link that will help you get to know the site better: http://openstudy.com/study#/updates/548c04e1e4b0f2fbdc23dd6c

pooja195 (pooja195):

Does this have options?

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