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Science · 2023 · 2 marks
CBSE 2023 · Region 1 · Set 2 · Q21
List two reasons to show that the existence of decomposers is essential in an ecosystem.
List two reasons to show that the existence of decomposers is essential in an ecosystem.
Marking-scheme solution
They help in the breakdown of organic matter/ dead and decaying matter into simple inorganic raw materials.
Help in natural replenishment of nutrient in soil.
Help in keeping the environment clean.
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