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

Question

(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

(b) Is not a matching pair
Both biotic and abiotic components of environment constitute an ecosystem