How might a comparison of the anatomy of two closely related animals such as lizards and snakes provide information about their evolutionary history?

Question

anonymous · Answer

a. Physical traits shared between them would explain how they evolved in parallel, without relation.
b. Shared traits would indicate they must have a close relative in common.
c. The anatomical differences between them would indicate which evolved from the other.
d. A greater number of shared traits would mean they recently diverged from a common ancestor.

blues · Answer

Again, which do you think it is...?

anonymous · Answer

i think b

anonymous · Answer

blues i need help

blues · Answer

I think it's D. It's possible that they're the only two closely related species in the ecosystem, whereas D suggests much more clearly that they evolved recently from a common ancestor. Make sense?

anonymous · Answer

ok thank you