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Ecology. Interdependence Key Theme in Ecology Crucial interactions occur between organisms and the living and nonliving environment

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Ecology

EcologyInterdependenceKey Theme in EcologyCrucial interactions occur between organisms and the living and nonliving environment.Levels of Organization

Why is the amount of sunlight important to animals in an ecosystem?EcosystemsShaped by Biotic and Abiotic Factors

Biotic FactorsCommunity interactions:CompetitionCompetitive Exclusion PrinciplePredationSymbiosisMutualismCommensalismParisitismAbiotic FactorsClimateTemperaturePrecipitationSunlightGeographic distributionSoilElevationSurvival Optimal range Tolerance limitsAcclimation (not adaptation)

Internal controlConformers (cold-blooded )Regulators (warm-blooded)Escape Short/long term DormancyMigration

Habitat vs. Niche

Generalist SpecialistWhy do different species never occupy exactly the same niche?A small rodent species and a bird species are adapted to cold temperatures. How might each species survive a major temperature increase?

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