Answer: A niche is the role an organism plays in the ecosystem.
Explanation: A niche also determines how the organism interacts with other organisms in an ecosystem
Mutation caused by external relationships. If you were to have an isolated population, they would be forced to have incest to survive. You need genetic variation from other creatures.
I think the answer is A. Usually people hunt bison so i think over hunting is whats causing the decimated of the bison.
You should include the terms, or add a picture!
