1.

Bio-diversity is not uniform throughout the world, but shows a rather uneven distribution.1. What is latitudinal gradients in diversity?2. What is so special about tropics that might account for their greater biological diversity.3. Which is the area that has the highest biodiversity on earth?

Answer»

1. The distribution of diversity of plants and animals decreases as we move away from equator towards the poles.

2. biological diversity

  • Tropical latitudes have remained relatively undisturbed for millions of years, thus had a long evolutionary time for species diversification. 
  • Tropical environments are less seasonal, relatively more constant and predictable.
  • More solar energy is available which contributes to high productivity and greater diversity.

3. Amazonian rain forest in South America.


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