What is the significance of population size in ecology?

What is the significance of population size in ecology?
  1. It indicates the carrying capacity of the environment
  2. It reflects the intrinsic rate of natural increase
  3. It reflects the ecological effects of any factors on a population
  4. It has no significance in ecology

Solution

The ecological effects of any factors on a population are generally reflected in its size (population density).

Asked in: NCERT

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