DDT was sprayed in a lake to regulate breeding of mosquitoes. How would it affect the trophic levels in the following food chain associated with a lake? Justify your answer.
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DDT is very insoluble in water and very persistent in the environment, making it a highly polluting hazard. ... Due to it's low solubility, it has a greater rate of bioaccumulation in water, and thus poses a great long-term threat to aquatic wildlife.
DDT is highly insoluble in water but is soluble in most organic solvents. This molecule is lipophilic and partitions readily into the fat of all living organisms. Biomagnification and bioaccumulation in the food web make this molecule become more negative impact to the organisms.
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-DDT being a non-biodegradable pesticide will enter the food chain from the first trophic level i.e Plankton.
-Non – biodegradable pesticides accumulate progressively at each trophic level. This phenomenon is known as biological magnification.
-HAWK will have the highest level of pesticide.
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