Assertion (A): The detritus food chain (DFC) is the major conduit for energy flow in most terrestrial ecosystems. Reason (R): A large fraction of energy in terrestrial ecosystems flows through the detritus food chain, whereas in aquatic ecosystems, the grazing food chain is the major conduit for energy flow.
- ABoth A and R are true and R is the correct explanation of A
- BBoth A and R are true but R is NOT the correct explanation of A
- CA is true but R is false
- DA is false but R is true
✓ Correct answer: A
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