Where are ecologically unique and biodiversity rich regions legally protected?

Where are biodiversity hotspots normally located ? Why?

Why is biodiversity so important and worthy of protection?

Tropical regions are rich in biodiversity. Why?

Assertion : Organic agriculature is a production system that sustains the health of the soils, ecosystem and the people. Reason : Organic agriculture relies on ecological processes, biodiversity and cycles adapted to local conditions rather than the use of inputs with adverse effect.

Assertion : One of the most important traditional uses of sacred groves was that they acted as a repository for various ayurvediv medicines. Reason : In modern times , sacred groves have become biodiversity rich areas, as they provide refuge to various plant and animal species of conservation significance. (a) If both assertion and reason are true and reason is the correct explanation of assertion. (b) If both assertion and reason are true but reason is not the correct explanation of assertion. (c) If assertion is true but reason is false. (d) If both assertion and reason are false.

The region of Biosphere Reserve which is legally protected and where no human activity is allowed is known as:

Rich biodiversity is seen near equator. The reason is.

Explain the reson for the richness of biodiversity in the tropics?