How many times greater is the concentration of DDT at the highest trophic level than at the lowest trophic level?

Biomagnification (or bioaccumulation, or biological amplification) is the increase in the

concentration of persistent chemicals (such as pesticides) in ecosystems as they pass

up the levels of a food chain or food web.

100 000X more concentrated

goog may have it for you

answer; ///i believe the answer your looking for is (ribosomes);