CBSE 2025, Set 2

Question

Explain, giving three specific reasons, why the tropical latitudes show the greatest levels of species diversity compared to temperate regions.

Edvaya · Accepted Answer

The correct answer is Subjective. **SOLUTION** Tropical latitudes show the greatest level of biodiversity due to the following reasons: 1. **Evolutionary Time:** Unlike temperate regions subjected to frequent glaciations in the past, tropical latitudes have remained relatively undisturbed for millions of years. This allowed a vast, uninterrupted evolutionary time for species diversification to occur. 2. **Environmental Constancy:** Tropical environments are far less seasonal; they are more constant and predictable. Such consistent environments heavily promote niche specialization, leading to a much greater species diversity. 3. **Solar Energy:** A significantly higher amount of solar energy is available in the tropics. This contributes to higher primary productivity, which in turn can stably support a much larger and more diverse food web.

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Biology > Human Welfare Biotech And Ecology > Biodiversity And Conservation

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