ECOLOGY
ECOSYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A fundamental niche is the range of environmental conditions in which a species surviveswhen competitors are present.
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The realised niche is the range of environmental conditions in which a species is actually found.
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The realised niche is the range of conditions and resources under which a species survives, grows and reproduces.
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The fundamental niche can be thought of as a subset of the realised niche.
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Detailed explanation-1: -Realized niche is the set of conditions actually used by given animal (pop, species), after interactions with other species (predation and especially competition) have been taken into account.
Detailed explanation-2: -A niche refers to the way in which an organism fits into an ecological community or ecosystem.
Detailed explanation-3: -A species’ ecological niche can be defined as the range of resources and conditions allowing the species to maintain a viable population.
Detailed explanation-4: -The fundamental niche describes the full range of conditions and resources in which a species could survive and reproduce. The realized niche describes the actual conditions and resources in which a species exists due to biotic interactions.