A) the biotic components are almost similar
B) the abiotic components are almost column
C) primary and secondary consumers are similar
D) both biotic and abiotic components are different
Correct Answer: D
Solution :
According to Odum (1983) ecosystem has six components in which abiotic components are almost similar in every ecosystem. (1) Abiotic components [a] Inorganic substances \[C,N,S,K,C{{O}_{2}},{{H}_{2}}O,\] Temperature, humidity, soil light. Pressure etc. [b] Organic substances Proteins, carbohydrates, lipids etc. (2) Biotic components Producers, Macro-consumers, Micro- consumers
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