A. Increase in the concentration of non degradable pollutant as they pass through food chain
B. Group of individuals of the same species within a community
C. Number of births during a given time period
D. Interspecific interaction between members in which one population adversely affects the other
Correct Answer:A
Explanation:
Increase in the concentration of non-degradable pollutants as they pass through the food chain. An increase in the concentration of toxic materials at each trophic level of a food chain is called biomagnification or biological magnification.