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Question

Assertion: Tropical regions show more biodiversity than temperate regions.
Reason: Tropical regions have favourable conditions for growth throughout the year.

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Solution

The climatic region near the equator is known as the tropical zone. Tropical regions show more biodiversity than temperate regions. The tropics receive direct sunlight, and therefore has higher temperature compared to other regions. This causes more evaporation, resulting in precipitation in the form of rain. Thus, there is a constant weather pattern in the tropics which is favourable for the growth of plants and animals.
Tropical environments are, therefore, less seasonal, relatively more constant and predictable. This promotes niche specialisation and hence, greater biodiversity is seen in these regions.
Additionally, the tropical regions remain relatively undisturbed for millions of years. Therefore, they have a longer evolutionary time for species diversification compared to temperate regions, which have experienced frequent glaciations in the past.

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