Select the mismatched 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 the environment
(c) Aquarium — A man-made ecosystem
(d) Parasites — Organisms that obtain food from other living organisms
(a) Bio-magnification — Accumulation of chemicals at the successive trophic levels of a food chain- Correct.
(b) Ecosystem — Biotic components of the environment – incorrect.
The 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.