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Biology Organisms and Populations Population Interactions Single Correct MCQ
Published on: August 14, 2026

Competition is best defined as a process in which the fitness of one species (measured in terms of its ‘r’ the intrinsic rate of increase) is significantly

A
lower in the presence of another superior species
B
higher in the presence of another superior species
C
equal in the presence of another superior species
D
equal in the presence of their own species

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Text Solution

Verified by Experts
The correct answer is:
A

In ecology, competition occurs when two species use the same limited resource. A "superior" competitor is more efficient at gathering that resource, which directly reduces the survival and reproductive success of the other species. Therefore, the intrinsic rate of increase (r)—a key measure of evolutionary fitness—of the disadvantaged species becomes significantly lower.

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