A) producer
B) consumers
C) decomposers
D) all of these
Correct Answer: D
Solution :
Biotic factors or components of a food chain are : (i) Producers are autotrophs that manufacture organic compounds from inorganic raw materials, e. g., Green plants like algae, bryophytes. (ii) Consumers are hetrotrophs, which feed on other organisms, e. g., Animals. (iii) Decomposers are saprotrops, which decompose the organic remains and release minerals e. g., Saprophitic bacteria and fungus. Non-biotic or abiotic factors or components of an ecosystem are minerals and energy. Non-biotic or abiotic components are Nutrients.
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