Question

Lead is known to undergo biomagnification and accumulates in the bones. What do you think is the fate of lead taken up by a whale that has died of natural causes? Assume the whale occupies the highest trophic level of its ecosystem.

A. The lead will be eliminated from the food chain because no species prey upon the whale.

B. The lead will re-enter the food chain via decomposers breaking down the whale's bone tissue.

C. The lead will be broken down to a non-toxic form by decomposers.

D. The lead will re-enter the food chain via evaporation and precipitation.

Answer 1