Question

Study the given aquatic food chain. Answer the question that follow. (i) Give reason, why there is a continuous increase in the DDT content in different trophic levels of the chain.(ii) Name the phenomenon responsible for the increase in DDT content.

Answer 1

Answer:

Explanation:

i) collecting duct

ii) Biomagnification is the build up of toxins in a food chain. The DDT concentration is in parts per million. As the trophic level increases in a food chain, the amount of toxic build up increases.