Assertion (A): Upright pyramid of energy is always found in any ecosystem. Reason (R): When energy flows from a particular trophic level to the next trophic level, some energy is always lost as heat at each step.
- 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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