Biodiversity and Conservation

Name the three important components of biodiversity.

The three important components of biodiversity are:
(i) Genetic diversity.

(ii) Species diversity.

(iii) Community and ecosystem diversity.

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How do ecologists estimate the total number of species present in the world?

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

Among the ecosystem services are control of floods and soil erosion. How is this achieved by the biotic components of the ecosystem ?

The species diversity of plants (22 per cent) is much less than that of animals (72 per cent). What could be the explanations to how animals achieved greater diversification?

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