#niche overlap

Habitat Niche

Realized niche can be larger than fundamental niche under conditions of:

“Positive interactions with other species” for realized niche can be larger than fundamental niche under conditions of. 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—“Negativ

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

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Habitat Niche

Niche overlap describes:

“Sharing of resources by two or more species” for niche overlap describes. 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—“Complete separation of niches”, “Absence of competition”, “Expansion of niche breadth”—refer to different states, processes, o

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

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Habitat Niche

Ecological compression refers to:

“Reduction in habitat use due to competition” for ecological compression 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—“Expansion of realized niche”, “Genetic adaptation”, “Increased food consumption”—refer to different states, processes

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

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Niche CD RP CEP

Increased niche overlap generally:

“Leads to competitive exclusion” for increased niche overlap generally. 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—“Enhances coexistence”, “Expands habitats”, “Causes gene

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

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Niche CD RP CEP

Niche overlap implies:

Niche overlap means that two species share some portion of resource use or environmental requirements. Greater overlap can increase the potential for competition when the shared resource is limiting, but overlap may be partial rather than identical. Identical resource use represents the extreme of complete overlap, not the general meaning of the term. Species can overlap on one axis, such as food type, while differing on another, such as feeding time or microhabitat. Conversely, measured overlap does not prove competition if resources are abundant. Completely separate niches imply zero overlap

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

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