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What organisms are not officially included on the ecological pyramid or in a food chain web, yet they play a very significant role in the ecosystem? Explain how.

Sagot :

Answer:

heterotrophs

Explanation:

A heterotroph is an organism that cannot produce its own food, instead taking nutrition from other sources of organic carbon, mainly plant or animal matter. In the food chain, heterotrophs are primary, secondary and tertiary consumers, but not producers.