Question

Plants → Deer → Lion In the given food chain, what will be the impact of removing all the organisms of second trophic level on the first and third trophic level? Will the impact be the same for the organisms of the third trophic level in the above food chain if they were present in a food web? Justify.

Study the picture given below showing three food chains (a), (b) and (c) and answer the following questions :

A food chain will be more advantageous in terms of energy if it has

Assertion (A) : Producers are capable of using light energy from the sun to make food available in an ecosystem. Reason (R) : All food chains in an ecosystem start with a producer.