The answer is A.) Nucleus
1. is (A) because mouse and deer are not in the same ecosystem.
2.is (D) because both antelope and domestic cattle do not affect each other.
3. is (B) because food is important factor.
4.is (C) because without home it is not possible to adapt in an ecosystem.
Answer:
I'm dead
Explanation:
Bruh you literally go to my school. I'm dying over this.
So that they could adapt to there habitat
