Question

Assertion: Each step of level of the food chain forms a trophic level.
Reason: The organisms occupying the first trophic levels are called autotrophs.​

Answer 1

Explanation:

The food chain is comprised of different species which depend on each other for energy. The producers are the ones which can convert the solar energy into food and represents the first trophic levels. The producers are the autotrophs which can perform photosynthesis. The consumers feed on the producers. There are different trophic levels which are comprised of the producers, primary, secondary and tertiary consumers.

Answer 2

Answer:

BOTH ASSERTION AND REASON ARE TRUE BUT REASON IS NOT THE CORRECT EXPLAINATION OF ASSERTION

Explanation: