Question

Trophic levels are formed by

• A. (a) Organisms linked in food chain
• B. (b) Only plants
• C. (c) Only animals
• D. (d) Only carnivores

Answer 1

The correct option is A

(a) Organisms linked in food chain

The correct option is A:

Explanation of the correct option :

1. Trophic levels are the steps in a food chain at which the transfer of food energy takes place from one organism to another.
2. Example: Grass→Deer→Lion
3. Organisms linked in the food chain form the tropic level.
4. It is because the tropic levels are the stages in the food chain where energy transfer takes place.

Explanation of the incorrect option:

Option b, c and d

The above three options are wrong because all 3 can be present at the tropic level.

Final answer: Trophic levels are formed by all the organisms linked in the food chain.