Question:

Moderate rainfall during summer produces

Updated On: Jul 27, 2022
  • desert
  • grasslands
  • scrub forests
  • deciduous forests
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The Correct Option is B

Solution and Explanation

Moderate rainfall during summer produces grasslands. In desert, the rainfall is less than 10 inches which is very less for any type of vegetation. In tropical as well as temperate regions, the rainfall is suitable for grassland formation. In scrub forest, summer is dry and rainfall occurs in winter. In deciduous forest, leaves are fallen only once yearly.
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Concepts Used:

Patterns of Biodiversity

Ecologists discovered two broad kinds of diversity patterns, namely:

  • Latitudinal gradient – This is the most well-defined and well-known pattern of biodiversity studies till date. According to this pattern, the species diversity follows a regular pattern as we move from the equator to the polar regions. The plant and animal diversity are observed to be maximum at the equator and it decreases as we move towards the poles. 
  • Species-Area relationships – The great German geographer and naturalist, Alexander von Humboldt observed the relation between an area and the species richness found in it. He found that as he increased the area of observation, the plant and animal diversity increased but up to a certain level.