Ecological niche: Definition and Types

Definition of Ecological Niche

Ecological niche refers to the function and position of species in relation to other species in the given ecosystem. It comprises of:

  1. Microhabitat occupied by organisms
  2. Activity pattern of organisms
  3. Resources used by organisms

Types of Niche

There are two types of Niche:

  1. Fundamental niche – The resources which can be utilized by an organism under ideal condition.
  2. Realized Niche – Resources actually used by an organism.

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