The keystone species is the one at the bottom of the pyramid, if we look at it like a pyramid. If the grass dies, then the deer cannot get food and die, and the predator cannot eat and dies, and the whole ecosystem can fall apart.
Answer:
Because they have the same function to swim with, but have different structures and made of different material.
Explanation:
Answer:
I believe it is D.
Explanation:
Ecological succession has to do with how the habitat changes over time. So D would make the most sense.
Answer:
I think d tell me if im wrong
Explanation:
