Gause's principle of competitive exclusion states that:

  • Option 1)

    More abundant species will exclude the less abundant species through competition.

  • Option 2)

    Competition for the same resources excludes species having different food preferences.

  • Option 3)

    No two species can occupy the same niche indefinitely for the same limiting resources.

  • Option 4)

    Larger organisms exclude smaller ones through competition.

 

Answers (1)

As learnt

Competitive Exclusion Principle -

Two closely related species competing for the same resources cannot co-exist indefinitely and the competitively inferior one will be eliminated eventually.

- wherein

This may be true if resources are limiting, but not otherwise.

 

 


Option 1)

More abundant species will exclude the less abundant species through competition.

This option is incorrect

Option 2)

Competition for the same resources excludes species having different food preferences.

This option is incorrect

Option 3)

No two species can occupy the same niche indefinitely for the same limiting resources.

This option is correct

Option 4)

Larger organisms exclude smaller ones through competition.

This option is incorrect

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