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The Competitive Exclusion Principle

In a biologic...

Question

In a biological community, Gauze's principle explains ________.

A

Competition among different species under unlimited resources

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B

Competitive exclusion of an inferior species due to the limited natural resources

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C

Coexistence of closely related species due to resource partitioning

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D

Intra specific competition due to limited natural resources

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Solution

The correct option is A Competitive exclusion of an inferior species due to the limited natural resources
B. Competitive exclusion of an inferior due to the limited natural resources
Solution : Gause's principle states that two species competing for same resources cannot coexist in a same geographic niche. Eventually, the inferior organism is excluded by the superior.
So the correct answer is "Competitive exclusion of an inferior due to the limited natural resources".

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Q. Assertion :Elimination of a competitively inferior species in a closely related or otherwise similar group is known as competitive exclusion principle Reason: If two species compete for the same resource, they avoid competition by changing to a different time for feeding or different foraging patterns.

Q. Read the following statements (A - D) related to competition and select the correct option stating true (T) and false (F).

A. In a habitat with limited resources, the competitively superior organism will eliminate the inferior organism.
B. The Abingdon tortoise in Galapagos island became extinct due to the greater grazing efficiency of goats.
C. In interference competition, the competition between organisms is indirect.
D. In intraspecific competition, the competing organisms belong to different species.

Q. Identify the correct statements among the following

I)Intraspecific competition is a potent force in the process of organic evolution.
II)Feeding efficiency of one species might be increased due to interfering and inhibitory presence of the other species, even the resources are abundant.
III)Fitness of one species is significantly lower in the presence of another species.
IV)when the resources are limited, the competitively superior species will eliminate the other species.

Q. Competitive exclusion principle stating that inferior species is eliminated eventually after prolonged competition was given by

Q. Assertion: Intraspecific competition is always more than interspecific.
Reason: All members of a species have different requirements of resources.

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