Correct Option (b)
Reason : DDT concentration increases in amount with rise in trophic level because they accumulate in fat, this is biomagnification. In the given options sea gull/birds are the top consumers SO DDT concentration will be highest in them.
Correct Option (b) Reason : DDT concentration increases in amount with rise in trophic level because they accumulate in fat, this is biomagnification. In the given options sea gull/birds are the top consumers SO DDT concentration will be highest in them.