Question

Select the mis-matched pair in the following and correct it. 

(a) Biomagnification — 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

Answer 1

The answer is (b) Ecosystem — Biotic components of environment.

Both biotic and abiotic components of environment constitute an ecosystem