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