Ecological niche

The flightless dung beetle occupies a niche exploiting animal droppings as a food source

The shape of the bill of this purple-throated carib is complementary to the shape of the flower, enabling it to exploit the nectar as a resource.

Where three species eat some of the same prey, a statistical picture of each niche shows overlap in resource usage between three species, indicating where competition is strongest.

As a hemi-parasitic plant, the mistletoe in this tree exploits its host for nutrients and as a place to grow.

In ecology, a niche (CanE, UK /ˈniːʃ/ or US /ˈnɪtʃ/) is a term with a variety of meanings related to the behavior of a species living under specific environmental conditions. The ecological niche describes how an organism or population responds to the distribution of resources and competitors (for example, by growing when resources are abundant, and when predators, parasites and pathogens are scarce) and how it in turn alters those same factors (for example, limiting access to resources by other organisms, acting as a food source for predators and a consumer of prey). "The type and number of variables comprising the dimensions of an environmental niche vary from one species to another [and] the relative importance of particular environmental variables for a species may vary according to the geographic and biotic contexts".

单词	Hutchinsonian niche
释义	Hutchinsonian niche 英语百科 Ecological niche In ecology, a niche (CanE, UK /ˈniːʃ/ or US /ˈnɪtʃ/) is a term with a variety of meanings related to the behavior of a species living under specific environmental conditions. The ecological niche describes how an organism or population responds to the distribution of resources and competitors (for example, by growing when resources are abundant, and when predators, parasites and pathogens are scarce) and how it in turn alters those same factors (for example, limiting access to resources by other organisms, acting as a food source for predators and a consumer of prey). "The type and number of variables comprising the dimensions of an environmental niche vary from one species to another [and] the relative importance of particular environmental variables for a species may vary according to the geographic and biotic contexts".
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Hutchinsonian niche

Ecological niche