A scientist studies a species of bird. The males and females look very similar
in color, but the males are much larger than the females. What can the
scientist conclude about these birds?
O
A. The males compete to fertilize.
O
B. The birds reproduce asexually.
O
C. The females choose mates.
O
D. The males choose mates.

The embryos of a bird, a reptile, and a mammal are similar in appearance. how does comparing the physical appearance of embryos of different species support the theory of evolution? a. it shows that these organisms share a common ancestor. b. it provides evidence that these organisms eat the same foods.c. it shows that these organisms share the same habitat.d. it provides evidence that these organisms suffered a genetic mutation.