List-I (Concepts) | List-II (Explanation) |
---|---|
(A) Standing state | (IV) Amount of mineral nutrients in the soil at a given time |
(B) Secondary productivity | (II) Rate of formation of organic matter by consumers |
(C) Standing crop | (III) Mass of living matter in a trophic level at a given time |
(D) Net primary productivity | (I) Available biomass for the consumption of heterotrophs |