Competition is best defined as a process in which the fitne…

Biology Organisms and Populations Single Correct MCQ

Published on: August 20, 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

lower in the presence of another superior species

higher in the presence of another superior species

equal in the presence of another superior species

equal in the presence of their own species

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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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