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What are the complex organic remains such as dead animal remains, dead plant remains, and fecal matter called?

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in Biology – Class 12 by (271k points)
What are the complex organic remains such as dead animal remains, dead plant remains, and fecal matter called?

(a) Humus

(b) Mucus

(c) Excreta

(d) Detritus

I have been asked this question during an online interview.

The query is from Ecosystem in division Ecosystem of Biology – Class 12

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The correct option is (d) Detritus

The explanation is: The organic remains such as dead plants remain, dead animal remains and fecal matter is called detritus. It acts as the raw material for various organisms such as decomposers. In terrestrial ecosystems, it is called “soil organic matter” while in the aquatic system it is known as “marine snow”.

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