Which of the following organism is likely to have more concentration of D.D.T. in its body?
Correct answer: A. Top carnivore
- A. Top carnivore
- B. Primary producers
- C. Herbivores
- D. Carnivores
Explanation
DDT is non-biodegradable and is not metabolized within the body of an organism, rather it accumulates in the fat tissues. Therefore its concentration goes on increasing from one trophic level to another of a food chain, the highest amount being present in the top consumer i.e., it shows biomagnification. In an aquatic food chain, the seagull is the top carnivore therefore it will possess the highest concentration of DDT.
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About Man and His Environment
Ecosystems include biotic and abiotic components, food chains and webs, energy flow, nutrient cycles, populations and ecological relationships. Pollution and conservation cover air, water, soil and noise pollution, their effects on organisms, biodiversity loss, protected areas, sustainable resource use and methods for reducing environmental damage.
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