35 Ecology - Ecology(Greek oikos for house or home...

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Eco logy (Greek: oikos , for house or home)
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Ecological Issues June 4, 2007
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Global climate change • Human population issues • Animal and plant diseases Bee disappearance? Amphibian dieoffs • Loss of biodiversity California condor, Grey wolf
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Ecology = study of interrelationships between living organisms and their environment Levels at which ecology is studied: Population = the basic ecological unit; all of the individual organisms of a single species in a defined area Community = all of the organisms of different species in a defined area Ecosystem = interrelationships between all living organisms in a given area and with the environmental factors in the area; self-sustaining, balanced and self- perpetuating Biome = worldwide groups of similar ecosystems; regional; climatically controlled
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Ecology = study of interrelationships between living organisms and their environment Levels at which ecology is studied: Population = the basic ecological unit; all of the individual organisms of a single species in a defined area Community = all of the organisms of different species in a defined area Ecosystem = interrelationships between all living organisms in a given area and with the environmental factors in the area; self-sustaining, balanced and self- perpetuating Biome = worldwide groups of similar ecosystems; regional; climatically controlled
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Simple population growth:
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