A horse and a donkey can mate with each other. Their offspring,called a mule, is not fertile. Do horses and donkeys belong to the same species? Explain your answer.

Question

A scientist collects wild rabbits that live at sea level and moves them to the mountains. One year later, the scientist discovers that the same rabbits have larger lungs, which help them breathe the thin mountain air. The scientiss returns the rabbit to sea level. Will the offspring of the rabbits have larger-than-normal lungs? Explain.
Explain why a group of organisms that is separated from the rest of its species can evolve different traits.

Answer 1

http://en.wikipedia.org/wiki/Mule

What do you think about the rabbits' lungs?

http://edhelper.com/ReadingComprehension_54_29.html

Answer 2

I think that it won't be larger because the are going back to sea level, am I right?

Answer 3

I agree.

Answer 4

Thank you:D (:)

Answer 5

You're welcome.