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hardMCQNEET 2024 R1@NUM: 1262026Botany
1 mark

Tropical regions show greatest level of species richness because:A. Tropical latitudes have remained relatively undisturbed for millions of years, hence more time was available for species diversification.B. Tropical environments are more seasonal.C. More solar energy is available in tropics.D. Constant environments promote niche specialization.E. Tropical environments are constant and predictable.

  1. A
    A and B only
  2. B
    A, B, and E only
  3. C
    A, B, and D only
  4. D
    A, C, D, and E only

Solution & Step-by-step Explanation

Tropics are less seasonal (unlike B), more constant, and have higher solar energy. This leads to higher productivity and more time for evolution (speciation).

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Tropical regions show greatest level of species richness because:A. Tropical latitudes have remained relatively undisturbed for millions of years, hence more time was available for species diversification.B. Tropical environments are more seasonal.C. More solar energy is available in tropics.D. Constant environments promote niche specialization.E. Tropical environments are constant and predictable.
A
A and B only
B
A, B, and E only
C
A, B, and D only
D
A, C, D, and E only

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