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Karnataka Board PUCPUC Science 2nd PUC Class 12

Species diversity decreases as we move away from the equator towards the poles. What could be the possible reasons? - Biology

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Question

Species diversity decreases as we move away from the equator towards the poles. What could be the possible reasons?

Long Answer
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Solution

In general, species diversity decreases as we move away from the equator toward the poles.

The possible reason could be as follows:

  1. Temperature decreases as we move away from the equator towards the poles.
  2. The intensity of sunlight decreases as we move away from the equator towards the poles and hence productivity. 
  3. In polar regions, the temperature is very low so most of the organisms cannot survive in that habitat.
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Chapter 15: Biodiversity and Conservation - LONG ANSWER [Page 112]

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NCERT Exemplar Biology [English] Class 12
Chapter 15 Biodiversity and Conservation
LONG ANSWER | Q 7. | Page 112

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