Definitions / Explanation : (i) Saprotrophs (ii) Trophic level

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12.Ecosystem

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Definitions / Explanation :

$(i)$ Saprotrophs

$(ii)$ Trophic level

Option A

Option B

Option C

Option D

Solution

The organisms which get nutrition by decomposition dead remains or dead organic matter.

Based on the source of their nutrition or food organisms occupy a specific place in the food chain that is known as their trophic level.

Standard 12

Biology

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