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#species niche

8 public questions tagged with this topic.

Set of environmental conditions actually used by species is:

“Realized niche” for set of environmental conditions actually used by species is. This relationship follows from the ecological mechanism represented by the terms in the item, not merely from an association between their names. Niche differentiation reduces overlap by separating species along resource, space, or time axes. Such partitioning can stabilize coexistence when each species performs relatively better under the conditions it uses most strongly. The remaining alternatives—“Ecological niche”, “Fundamental niche”, “Habitat”—refer to different states, processes, or scales and therefore do

Ref: Ecology: Concepts and Applications, Molles, 9th Ed., Ch. 13

Which species' niche concept includes behavioral dimensions?

“Hutchinson’s” for which species' niche concept includes behavioral dimensions. This relationship follows from the ecological mechanism represented by the terms in the item, not merely from an association between their names. Habitat describes where an organism occurs; niche additionally describes how it obtains resources and affects or responds to other organisms. Distribution therefore provides evidence about a niche but is not identical to it. The remaining alternatives—“Darwin's”, “Smith’s”, “MacArthur's”—refer to different states, processes, or scales and therefore do not express the same

Ref: Ecology: Concepts and Applications, Molles, 9th Ed., Ch. 13

The niche of a species is NOT defined by:

The keyed exception is “Species lifespan.” In the context of the niche of a species is not defined by, that statement differs from the governing ecological pattern and must be evaluated against the mechanism rather than accepted from wording alone. Habitat describes where an organism occurs; niche additionally describes how it obtains resources and affects or responds to other organisms. Distribution therefore provides evidence about a niche but is not identical to it. The remaining alternatives—“Salinity”, “Food sources”, “Temperature”—refer to different states, processes, or scales and there

Ref: Ecology: Concepts and Applications, Molles, 9th Ed., Ch. 13

N-dimensional hypervolume concept refers to:

“Fundamental niche dimensions” for n-dimensional hypervolume concept refers to. This relationship follows from the ecological mechanism represented by the terms in the item, not merely from an association between their names. Habitat describes where an organism occurs; niche additionally describes how it obtains resources and affects or responds to other organisms. Distribution therefore provides evidence about a niche but is not identical to it. The remaining alternatives—“Habitat dimensions”, “Population density”, “Reproductive rate”—refer to different states, processes, or scales and theref

Ref: Ecology: Concepts and Applications, Molles, 9th Ed., Ch. 13

Niche breadth is defined as:

“Range of niche dimensions occupied” for niche breadth is defined as. This relationship follows from the ecological mechanism represented by the terms in the item, not merely from an association between their names. A niche is the multidimensional set of abiotic conditions, resources, and biotic relationships under which a population can persist. The fundamental niche reflects physiological and resource limits, while the realized niche is modified by competitors, consumers, mutualists, and dispersal barriers. The remaining alternatives—“Complete niche overlap”, “Only food resource utilization”

Ref: Ecology: Concepts and Applications, Molles, 9th Ed., Ch. 13

A species' fundamental niche represents:

“Hypothetical conditions without competitors” for a species' fundamental niche represents. This relationship follows from the ecological mechanism represented by the terms in the item, not merely from an association between their names. Habitat describes where an organism occurs; niche additionally describes how it obtains resources and affects or responds to other organisms. Distribution therefore provides evidence about a niche but is not identical to it. The remaining alternatives—“Its actual habitat usage”, “Realized interactions with predators”, “Only biotic factors”—refer to different st

Ref: Ecology: Concepts and Applications, Molles, 9th Ed., Ch. 13

The niche of a species includes:

“Both biotic and abiotic resources” for the niche of a species includes. This relationship follows from the ecological mechanism represented by the terms in the item, not merely from an association between their names. A niche is the multidimensional set of abiotic conditions, resources, and biotic relationships under which a population can persist. The fundamental niche reflects physiological and resource limits, while the realized niche is modified by competitors, consumers, mutualists, and dispersal barriers. The remaining alternatives—“Only biotic resources”, “Only abiotic resources”, “Nei

Ref: Ecology: Concepts and Applications, Molles, 9th Ed., Ch. 13