What is the definition of competition?

What is the definition of competition?
  1. A process in which the fitness of one species is reduced
  2. A process in which the fitness of one species is increased
  3. A process in which the fitness of one species is significantly lower in the presence of another species
  4. A process in which the fitness of one species is not affected by another species

Solution

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 species.

Asked in: NCERT

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