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2)Discuss how geology of an area determines its biodiversity. (250 words)

Topic– Salient features of world’s physical geography.
Distribution of key natural resources across the world.

2)Discuss how geology of an area determines its biodiversity. (250 words)

Reference

Why this question

Geology has a prime bearing on the biodiversity of an area. The question is related to GS 1 syllabus under the following heading-

Salient features of world’s physical geography.
Distribution of key natural resources across the world.

Key demand of the question.

The question wants us to bring out the relationship between the geological features of an area and the biodiversity of life it possesses.

Directive word

Discuss- we have to write in detail about the link between geology and biodiversity of an area. We have to describe in detail about how the two are related.

Structure of the answer

Introduction– Mention that geology of an area and its biodiversity are closely related and geology has an important bearing on the evolution as well as survival of all the life forms associated with it.

Body-

Mention that geological influences the biodiversity can be split into two basic areas:

  1. the direct influence of rock type( its physical characteristics like degree and direction of slope, topography etc.) and
  2. the indirect role that it plays in soil formation (chemical composition, rate and extent of weathering, erosion) and the development of structures that influence the distribution of plants and animals.

Take the help of the article attached to the question and also go through other relevant material to frame your answer.

Conclusion- mention that besides geology, climatic conditions and history, and human activities also have a bearing on biodiversity of an area.

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