Multiple choice

Which of the following statements is/are TRUE about community and eco-system diversity?

  1. Alpha-diversity (between-community diversity) refers to the rate of replacement of species along a gradient of habitats or communities.
  2. Beta-diversity (within-community diversity) refers to the diverse organisms sharing the same community/habitat.
  3. Gamma diversity (overall) refers to the diversity of habitats over the total landscape or geographical area.

  1. Only 2

  2. Only 3

  3. 1 and 2

  4. 1, 2 and 3
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Alpha-diversity (within-community diversity) refers to the diverse organisms sharing the same community/habitat. Beta-diversity (between-community diversity) refers to the rate of replacement of species along a gradient of habitats or communities. Gamma diversity (overall) refers to the diversity of habitats over the total landscape or geographical area.

Hence, statements 1 and 2 are incorrect and statement 3 is correct.
 

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