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ZoologyNEET 2024Population attributes, growth models and interactions

Organisms and Populations

Given below are two statements:

Statement I: Gause's competitive exclusion principle states that two closely related species competing for different resources cannot exist indefinitely.

Statement II: According to Gause's principle, during competition the inferior will be eliminated. This may be true if resources are limiting.

In the light of the above statements, choose the correct answer from the options given below:

  1. A.Both Statement I and Statement II are false.
  2. B.Statement I is true but Statement II is false.
  3. C.Statement I is false but Statement II is true.✓
  4. D.Both Statement I and Statement II are true.

Solution

Gause's principle concerns species competing for the same limited resource — Statement I, which says 'different resources', is wrong. That the inferior competitor is eliminated when resources are limiting is a correct reading of the principle — Statement II is true.

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