1. Tardigrade
  2. Question
  3. Biology
  4. Regarding detritus food chain. I. It begins with dead organic matter and decomposers called saprophytes as first trophic level. II. A much large fraction of energy flows through this type of food chain in terrestrial ecosystem. III. Energy for detritus food chain comes from sun. Which of the statements given above are correct?

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Q. Regarding detritus food chain.
I. It begins with dead organic matter and decomposers called saprophytes as first trophic level.
II. A much large fraction of energy flows through this type of food chain in terrestrial ecosystem.
III. Energy for detritus food chain comes from sun.
Which of the statements given above are correct?

Ecosystem

Solution:

Statements I and II are correct, while statement III is incorrect. It can be corrected as
The energy for detritus food chain comes from dead organic matter not from sun.