Holt Modern Biology 1st Edition by John Postlethwait ,Janet Hopson

تمرين 4

DIRE CTIONS: Choose the letter of the answer choice that best answers the question. When the internal structures of two species are very similar, what can be inferred about both species?
A) They share similar environments.
B) They evolved in similar environments.
C) They have similar external structures.
D) They evolved from a common ancestor.