Question

In a food chain, assume grass → deer → mountain lions.

What would happen to the grass's growth if deer became extinct?

A.
The growth of the grass would decrease if deer became extinct.

B.
The growth of the grass would increase if deer became extinct.

C.
The growth of the grass would stay the same if deer became extinct.

Answer 1

B?

Answer 2

am I correct?

Answer 3

i think so

Answer 4

B, grass is prey, deer is predator, its predation
the predation graph may help
http://www.scienceaid.co.uk/biology/ecology/predation.html