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NEETZoologyOrganisms and Populations

Read the following statements regarding competition: A. Totally unrelated species cannot compete for the same resource. B. In interference competition, the feeding efficiency of one species might be reduced due to the inhibitory presence of another, even if resources are abundant. C. The extinction of the Abingdon tortoise after goats were introduced is an example of competitive release. D. MacArthur showed that clos

Options

  1. AOnly one
  2. BOnly two
  3. COnly three
  4. DAll four

Correct answer

B. Only two

Step-by-step solution

Statement A is incorrect because totally unrelated species can compete for the same resource (e.g., visiting flamingos and resident fishes competing for zooplankton in South American lakes). Statement B is correct as it accurately defines interference competition according to NCERT. Statement C is incorrect because the extinction of the Abingdon tortoise due to the greater browsing efficiency of introduced goats is an example of competitive exclusion and interference competition, not competitive release. Statement

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