1.

Accumulation of non-biodegradable pesticides in the food chain in increasing amount at each higher trophic level is knows as:A. eutrophication B. pollution C. biomagnifications D. accumulation

Answer»

• Biological magnification occurs when the number of chemicals and toxins increase and accumulate through the trophic levels of a food chain.

• Chemical substances from crop fields and industries are released into the environment, making their way toward food chains and food webs. 

• Normally biological magnification doesn’t affect directly but exposure to these harmful chemicals may cause some long-term side effects.



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