What are orginisms that get energy by eating only other animals called?

Animals that eat only plants are called herbivores (or primary consumers). Animals that eat other animals are called carnivores. Carnivores that eat herbivores are called secondary consumers, and carnivores that eat other carnivores are called tertiary consumers.

Explanation:

because the light is a great source of energy for the plants to survive. (i hope this )

option c is the correct answer.