2Origin of the word…”ecology” Greek originOIKOS = householdLOGOS = study of…Study of the “house/environment” in which we live.
3Ecology is study of interactions between non-living components in the environment…lightwaterwindnutrients in soilheatsolar radiationatmosphere, etc.AND…
4Living organisms…PlantsAnimalsmicroorganisms in soil, etc.
5To study Ecology involves… For non-living (abiotic)ClimatologyHydrologyOceanographyPhysicsChemistryGeologysoil analysis, etc.For living (biotic)animal behaviorTaxonomyPhysiologymathematics (population studies)etc.
6Ecology…views each locale as an integrated whole of interdependent parts that function as a unit.cariboutundra
8nutrients in the soil and water. Producers Nonlivingdead organic matternutrients in the soil and water.Producersgreen plantsTundra
9Consumers Decomposers herbivores and carnivores fungi and bacteria TundraCaribou
10ECOLOGY: Levels of Organization - a hierarchy of organizationin the environment
11Levels of organization - Terms BiosphereSurface of the earthComposed of many ecosystemsEcosystemLarge or small as we decideBackyard, O’Melveney Park, Hedge along Room 110, etc.
12Levels of organization - Terms Population – one species live in one place at one timeCommunity – All populations (diff. species) that live in a particular area.
13Levels of organization - Terms Habitat – physical location of communityOrganism – simplest level of organization
14Very complexCan contain 100’s to 1000’s of interacting species.
15Ecology is an integrated and dynamic study of the environment. THEN…Ecology is an integrated and dynamic study of the environment.
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