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What are the characteristics of ecological niche ?

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1. A niche describes how that organism is linked with its physical and biological environment. 

2. Niche is described as a position of a species in the environment. It gives the idea about how the organisms are surviving and fulfilling their needs of shelter and food. 

3. By studying niche one can get idea of the flow of energy from one organism to another. This helps to understand the feeding habits and interactions involving food chain and food web. 

4. If any niche is left vacant, other organisms\fill that position. 

5. The niche is specific to each species. Two species can never share the same niche. By having specific niche, every organism tries to reduce competition for resources. 

6. E.g. In birds, each one is specific in their eating habits, some are insectivorous, while some are frugivorous. Some are omnivorous, in this way birds living in the same habitat differ in their niches because of different eating habits.

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