The components of the ecosystem are seen to function as a unit when you consider the following aspects.
(A) Productivity
(B) Decomposition
(C) Energy flow
(D) Nutrient cycling
Choose the correct answer from the options given below.
Answer & explanation
Correct answer: option 3
The correct answer is Option (3) → (A), (B), (C) and (D)
An ecosystem works as a unit through four aspects, which NCERT studies one by one.
(A) Productivity — An aspect. The rate at which biomass is made by producers.
(B) Decomposition — An aspect. The breakdown of dead organic matter into inorganic substances.
(C) Energy flow — An aspect. The one-way passage of energy from the sun through the trophic levels.
(D) Nutrient cycling — An aspect. The movement of nutrients through the living and non-living parts again and again.
NCERT Extract:
Ecosystem – Structure and Function – …
