Define the terms ‘bioaccumulation’ and ‘ecosystem&rs

Question

Define the terms ‘bioaccumulation’ and ‘ecosystem’

05 Mar 2021

Answer :

Word Count : 454

Bioaccumulation is the gradual accumulation of substances, such as pesticides or other chemicals, in an organism.Bioaccumulation occurs when an organism absorbs a substance at a rate faster than that at which the substance is lost or eliminated by catabolism and excretion. Thus, the longer the biological half-life of a toxic substance, the greater the risk of chronic poisoning, even if environmental levels of the toxin are not very high. Bioaccumulation, for example in fish, can be predicted by models. Hypotheses for molecular size cutoff criteria for use as bioaccumulation potential ____ _____ ___ ______ ________ ______ _________ ______ ____.
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