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niche |
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niche: see ecology ecology, study of the relationships of organisms to their physical environment and to one another. The study of an individual organism or a single species is termed autecology; the study of groups of organisms is called synecology. ..... Click the link for more information. . nicheSmallest unit of a habitat that is occupied by an organism. A habitat niche is the physical space occupied by the organism; an ecological niche is the role the organism plays in the community of organisms found in the habitat. The activities of an organism and its relationships to other organisms are determined by its particular structure, physiology, and behaviour. |
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| Known as marsupials, these animals had pouches but filled ecological niches populated elsewhere by lions, hyenas, hippos, tapirs, and other large animals. Casualties of that era include several species of kangaroos and wombats as well as marsupials that filled the ecological niches elsewhere populated by lions, hyenas, hippos, and tapirs. Predicting the geography of species' invasions via ecological niche modeling. |
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ecological niche
