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Niche is
- Option 1)
the range of temperature that the organism needs to live
- Option 2)
the physical space where an organism lives
- Option 3)
all the biological factors in the organism ' s environment
- Option 4)
the functional role played by the organism where it lives
Answers (3)
As we learnt in
Importance of Species diversity to the Ecosystem -
Biodiversity is important because it helps in preventing the extinction of species. It allows the organisms to adapt according to the environment and provide wider range of material and food for survival. It is the biodiversity that provides vast genetic pools that helps in preserving existence of life on earth.
- wherein
Biodiversity helps in maintaining equilibrium in the environment and also defines the manner in which different organisms interact with each other. It helps in maintaining the balance by recycling and storage of nutrients, stabilizing climate, forming and protecting soil, combating pollution and thereby maintaining eco-balance. It is threatened by climatic change, overexploitation of natural resources, habitat loss and pollution. Loss of biodiversity weakens the connection between various species in the ecosystem.
Ecological niche was termed by J. Grinnel. It refers the functional role played by the organism where it lives.
Option 1)
the range of temperature that the organism needs to live
This is incorrect.
Option 2)
the physical space where an organism lives
This is incorrect.
Option 3)
all the biological factors in the organism ' s environment
This is incorrect.
Option 4)
the functional role played by the organism where it lives
This is correct.
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