If the concentration of DDT in zooplankton measures 0.04 parts per million, what is the approximate concentration of DDT at each other trophic level shown?

Question

Biology

Hurst

4 January, 21:22

If the concentration of DDT in zooplankton measures 0.04 parts per million, what is the approximate concentration of DDT at each other trophic level shown?

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Patience Powell · Answer 1

If the concentration of DDT in zooplankton measures 0.04 parts per million so the concentration of DDT in the next trophic level is 0.004 parts per million.

Explanation:

The concentration of DDT in the next trophic level is 0.004 parts per million because we know that in the ecosystem only 10% of the energy is passed from one trophic level to another while the 90% of the energy is lost in the form of heat energy. So if the DDT concentration in zooplankton is 0.04 ppm so the next trophic level has 0.004 ppm DDT.