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Home Q & A Board Biology-Related Homework Help Zoology and Botany (Moderator: ehd123)
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Lauren1 Lauren1
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9 years ago
The fossil record of birds is less extensive than that of reptiles and mammals because ______________.
a.   birds have delicate, hollow bones
b   birds fly
c.   birds are mostly small animals
d.   a and c
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milestone23milestone23
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9 years ago
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Lauren1 Author
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#2
9 years ago
This is perfect, thank you Grinning Face
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#3
9 years ago
Yup, I'm pretty confident it's correct, bye for now.
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