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Inspite of interspecific competition in nature, which mechanism the competing species might have evolved for their survival?
Rather than facing competitive exclusion (Gause's Principle), competing species evolve Resource Partitioning—sharing resources by selecting different feeding times, foraging patterns, or microhabitats! Match Option (1)!
Gause's Competitive Exclusion Principle dictates that two species competing for the exact same limiting resource cannot coexist at constant population values; the inferior competitor is ultimately eliminated.
To circumvent competitive exclusion, natural selection favors behavioral and morphological divergence:
MacArthur demonstrated that five closely related species of warblers living on the same spruce tree were able to coexist without competitive exclusion by foraging at different heights, exploring different zones of the foliage, and adopting different hunting rhythms.
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Resource partitioning enables competing species to avoid exclusion by choosing different feeding times or foraging patterns, ensuring coexistence.
Competitive release describes the dramatic expansion of a species' distributional range when a superior competitor is experimentally removed, not a coexistence adaptation.
Mutualism is an obligate (+, +) cooperation between species, not an evolutionary mechanism arising directly to resolve interspecific competition between ecological rivals.
Predation is a trophic consumer-resource interaction (+, -), not a mechanism evolved between competing species at the same trophic guild.
Both terms involve competition. Resource partitioning is what species evolve to coexist; Competitive release is what happens when one competitor is artificially taken away.
"If two species compete for the same resource, they could avoid competition by choosing different times for feeding or different foraging patterns (resource partitioning)."
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