may have evolved from a common ancestor. all reproduce in a similar fashion. live in similar environments. should all be able to fly someday.
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: The forelimb of the monkey, bat, penguin, and alligator look very different on the outside, but their skeletal structures are similar. This evidence suggests that these animals
Possibilities:
- may have evolved from a common ancestor.
- all reproduce in a similar fashion.
- live in similar environments.
- should all be able to fly someday.

may have evolved from a common ancestor.