Arrange the following in correct sequence of energy flow through different trophic levels in an ecosystem: (a) Primary consumer (b) Producer (c) Tertiary consumer (d) Secondary consumer
- A(b), (a), (d), (c)
- B(a), (b), (c), (d)
- C(b), (d), (a), (c)
- D(c), (d), (a), (b)
✓ Correct answer: A
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