Hello there ^ _ ^
I believe the answer is : A - Evolution
Good luck!
Answer:
A releaser is a stimulus from one animal to another, which causes a particular response.
Explanation:
google
Depends, if the biotic factor is a chipmunk or something of that case, its natural habitat is a rock, which is biotic. but...if the animal is something like a deer they don't need abiotic factors. its your chose to chose but I'm leaning more twords false because not ALL biotic factors cant go without an abiotic factor