Class 12 · Biodiversity and Conservation

Tropical Biodiversity: Three Key Hypotheses — NEET Biology

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📖 NCERT Source

Give three hypotheses for explaining why tropics show greatest levels of species richness.

NCERT Biology · Class 12 · Chapter 13 · Paragraph 52
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Tropical regions show greatest level of species richness because: (NEET 2024) 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. Choose the correct answer:

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Correct answer: A A, C, D and E only

The tropics have high biodiversity due to stable environments, high solar energy, and time for diversification. Option B is incorrect because tropical regions are less seasonal.

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Give three hypotheses for explaining why tropics show greatest levels of species richness.
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Biodiversity and Conservation, Class 12 NCERT Biology.

Through deep analysis of NEET and NTA, 176 of the 180 ReNEET 2026 (June 21) questions were already in the MedicNEET question bank before the exam.

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