What would you expect the concentration of pollutant X to be on trophic level 2 and 4?
The concentration of X on trophic level 2 is 30 ppm.
If the concentration of X on other trophic levels in the food chain is determined entirely by food chain magnification, what would you expect the concentration of X to be on
a) Trophic level 2?
b) Trophic level 4?