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  • Select the mis-matched pair in the following and correct it (a) Bio-magnification Accumulation of chemicals at the successive trophic levels of a food chain (b) Ecosystem Biotic components of environment (c) Aquarium A man-made ecosystem (d) Parasites -

Select the mis-matched pair in the following and correct it.
(a) Bio-magnification — Accumulation of chemicals at the successive trophic levels of a food chain
(b) Ecosystem — Biotic components of environment
(c) Aquarium — A man-made ecosystem
(d) Parasites — Organisms which obtain food from other living organisms

Answers (1)

(a) Bio-magnification — Accumulation of chemicals at the successive trophic levels of a food chain. Correct definition.
(b) Ecosystem — Biotic components of environment – incorrect.

Ecosystem consists of biotic components comprising living organisms and abiotic components comprising physical factors like temperature, rainfall etc.

(c) Aquarium — A man-made ecosystem – Correct.
(d) Parasites — Organisms that obtain food from other living organisms – Correct.

Therefore option (B) is correct

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infoexpert27

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