A food chain comprises of cat, seed-eating bird, plants, and dog. The organism which will have the maximum concentration of harmful pesticides coming through the food chain is most likely to be :(a) cat (b) plants (c) dog (d) seed-eating bird
Correct Answer: (c) dog
Explanation: The concentration of harmful pesticides in the bodies of birds and animals increases at each trophic level. Therefore, the dog in the above given food chain will have the maximum concentration of harmful pesticides.
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