A) plant and animal
B) air and \[{{\text{H}}_{\text{2}}}\text{O}\]
C) soil and light
D) biotic and abiotic component
Correct Answer: D
Solution :
Ecosystem comprises the biotic community and the non-living environment. [a] Abiotic components: These include air, water, soil and the basic elements and compounds of the environment. These non-living substances enter the body of living organsims, take part in metabolic activities and then return to the environment. [b] Biotic components: From the nutritional point of view an ecosystem has autotrophic and heterotrophic components. Green plants algae and photosynthetic organisms are autotrophic whereas the animals, fungi etc., are heterotrophic.You need to login to perform this action.
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