Predators are important for a natural ecosystem because they : (i) Keep prey population under control (ii) Helps in maintaining species diversity (iii) Are used in biological control method (iv) Acts as conduits for energy transfer across tropical level
- A(i), (iii), (iv)
- B(i), (ii), (iv)
- C(i), (ii), (iii), (iv)
- D(i), (ii), (iii)
✓ Correct answer: C
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