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Is it true that there is more solar ener...

Is it true that there is more solar energy available in the tropics ? Explain briefly.

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Yes, There is more solar energy available in the tropics because
(i) The sun's rays are more concentrated.
(ii) The sun's rays have less atmosphere to pass through, so less energy is lost in absorption and reflection by the atmosphere.
(iii) Tropical rainforest areas absorbs radiations due to presence of dense vegetation.
Availability of more solar energy in tropics contribute higher productivity which in turn might contribute greater maximum biodiversity.
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Select the reasons why tropical regions have more biodiversity than temperate regions . 1. Tropical latitudes have remained relatively undisturbed for millions of years . 2. Temperate environments, unlike tropical ones , are less seasonal , relatively more constant and predictable . 3 . Temperate regions were subjected to frequent glaciations in the past. 4. There is more solar energy available in the tropics which contributes to higher productivity .

What is so special about tropics that might account for their greater biological diversity? a. Unlike temperate regions subjected to frequent glaciations in the past, tropical latitudes have remained relatively undisturbed for millions of years and thus, had a long evolutionary time for species diversification. b. Temperate environments, unlike tropical ones, are less seasonal, relatively more constant and predictable. Such constant environments promote niche specialization and lead to a greater species diversity. c. There is more solar energy available in the tropics, which contributes to higher productivity, this in turn might contribute indirectly to greater diversity.

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NCERT EXEMPLAR-BIODIVERSITY AND CONSERVATION-Biodiversity And Conservation
  1. Why are the conventional methods not suitable for the assessment of bi...

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  2. What criteria should one use in categorising a species as threatened ?

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  3. What could be the possible explanation for greater vulnerability of am...

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  4. How do scientists extrapolate the total number of species on earth ?

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  5. Humans benefit from diversity of life. Give two examples.

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  6. List any two major causes other than anthropogenic causes of the loss ...

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  7. What is an endangered species ? Give an example of an endangered plant...

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  8. What are sacred groves and their role in biodiversity conservation ?

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  9. Suggest a place whre one can go to study coral reefs, mangrove vegetat...

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  10. Is it true that there is more solar energy available in the tropics ? ...

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  11. What is co-extinction ? Explain with a suitable example ?

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  12. Elaborate how invasion by an alien species reduces the species diversi...

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  13. How can you, as an individual, prevent the loss of biodiversity ?

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  14. Can you think of a scientific explanation, besides analogy used by Pau...

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  15. Though the confict between humans and wildlife started with the evolut...

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  16. What is an ecosystem service ? List any four important ecosystem servi...

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  17. Describe the consumptive use value of biodiversity as food, drugs and ...

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  18. Species diversity decreases as we move away from the equator towards t...

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  19. Explain briefly the 'rivet popper hypothesis' of Paul Ehrlich.

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  20. The relation between species richness and area for a wide variety of t...

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