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Biodiversity and Conservation

Short Answer Type

41. Describe briefly the narrowly utilarian arguments for conserving biodiversity.

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42. Write a brief note on In situ conservation.

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43. Differentiate between in situ and ex situ approaches of conserving biodiversity.

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44. Describe alien species invasion with example.

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45. What is biodiversity ?

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One Word Answers

46.

What is India's share of the global species diversity?

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Long Answer Type

47. Describe ecological role of biodiversity.

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48. Discuss the characteristics of India’s biodiversity.

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Short Answer Type

49.
How do ecologists estimate the total number of species present in the world?

The ecologists estimate the total number of species present in the world using the statistical methods because the number of species is too large . They make statistical comparisons of the temperate-tropical species richness of an exhaustively studied group of insects and extrapolate this ratio to other groups of animals and plants and come up with a gross estimate of the total number of species on earth

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