bring change in the genetic basis of a population
Breads and cheese's
Hope this helps:)
-Warning2
Answer:
A) the envelope of gases surrounding the Earth the envelope of gases surrounding the Earth
Explanation: A biosphere is layers of gas surrounding earth's atmosphere, the envelope of gases surrounding the Earth is the closest thing to that description.
Answer:
Well, we actually evolved from a single cell organism. BUT, in this case it is
answer B
Explanation: