Question

What are the trophic levels? Give an example of a food chain and state the different trophic levels in it.​

Answer 1

Answer:

Explanation:

Plants are the producers, and represents the first trophic level. Grasshoppers are the primary consumers, and represent the second trophic level. Frogs are the secondary consumers, and represent the third trophic level. Snakes are the tertiary consumers and represent the fourth trophic level.

Answer 2

Answer:

The various steps in a food chain at which the transfer of food (or energy) takes place are called trophic levels.

Explanation:

Example : A food chain operating in a grassland is given below : Grass → Insects → Frog → Birds