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Which one of the following terms describes not only the physical space occupied by an organism, but also its functional role in the community of organisms?

(a) Ecotone
(b) Ecological niche
(c) Habitat
(d) Home range



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An ecological niche refers to the specific position and function of an organism within its environment. It includes the physical space an organism occupies, as well as its interactions with other organisms, its food sources, and its role in nutrient cycling and energy flow. The ecological niche of an organism encompasses its habitat, but it goes beyond just the physical location to include its ecological interactions and activities.


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