Question

HELP PLEASE I NEED THE ANSWER ASAPPPP

Answer 1

I would say A

Explanation
A keystone species is an organum that that helps define an entire ecosystem. Without its keystone species, the ecosystem would be dramatically different or cease to exists altogether. Any organism, from plants to fungi, may be a keystone species;they are not always the largest or most abundant species in an ecosystem.

Hope this helps.

Answer 2

I think that it's A.

Step-by-step explanation:

It's not D, because A & C contrast each other.