Moderate
The term 'Bio-magnification' refers to the:
Correct answer: D. Increase in the concentration of non-degradable pollutants as they pass through food chain
- A. Growth of organism due to food consumption
- B. Increase in population size
- C. Blowing up of environmental issues by man
- D. Increase in the concentration of non-degradable pollutants as they pass through food chain
- E. Decrease in population size
Explanation
Biomagnification is the progressive increase in concentration of persistent, non-biodegradable pollutants at successive trophic levels. Top predators therefore accumulate more of substances such as DDT or methylmercury than organisms lower in the food chain.
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