What is the definition of competition in nature?

What is the definition of competition in nature?
  1. The extinction of one species due to the introduction of another species
  2. The process by which the fitness of one species is significantly lower in the presence of another species
  3. Struggle for existence
  4. Competition among closely related species for limiting resources

Solution

Competition is best defined as a process in which the fitness of one species is significantly lower in the presence of another species.

Asked in: NCERT

Practice more Organisms and Populations questions on Aicharya