Out of the following components, which one is not abiotic ?
(a) trees
(b) light
(c) heat
(d) rain



(a) trees

Reason — Biotic components in an ecosystem are the living organisms (i.e., producers, consumers and decomposers) and abiotic components are the non-living factors. Hence, in the options above, trees are biotic whereas light, heat, rain are abiotic.

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