A pesticide which is a chlorinated hydrocarbon is sprayed on a food crop. The food chain is : Food crop – Rat – Snake – Hawk.

Question

A pesticide which is a chlorinated hydrocarbon is sprayed on a food crop. The food chain is : Food crop – Rat – Snake – Hawk.

A pesticide which is a chlorinated hydrocarbon is sprayed on a food crop. The food chain is : Food crop – Rat – Snake – Hawk. In this food chain, the highest concentration of the pesticide would accumulate in which one of the following ?

(a) Food crop (b) Rat (c) Snake (d) Hawk

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

(d) Biomagnification is the phenomenon of increasing concentration of compound in the tissue of organism, as the compound passes up a food chain, usually as a result of food intake. In this case, the concentration of compound will increase with increasing the tropic level. Biomagnifying pollutants which increases in concentration from producers → Primary consumers → Secondary consumers →Tertiary consumers → Top consumer. Hawk is the top consumer, so the pesticide concentration will be highest in Hawk.