Answer:
The correct answer is d Wolves.
Explanation:
Wolves are placed in the top layer of a food chain or food web because they act as secondary carnivores or tertiary consumers.
We all know that when an organism of a tropic level eat another another organism that is present to its below tropic level only 10% energy is transferred from n tropic level organism to n+1 tropic lebel organism.
As Wolves are present in in the 4th tropic level only few percentage of the total biomass of that food chain will be received by them.
