Ecology

Ecology - Ecology Chapter 50 Ecology o Components...

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Ecology Chapter 50 - Ecology o Components Abiotic-non living chemical and physical factors Biotic- living factors o Population- a group of individuals of the same species in a particular geographical area o Community- assemblage of populations of different species o Ecosystem- all abiotic Factors and the community of species in an areas - Abiotic factors o Biosphere- the some of all the planet’s ecosystems o Biome- areas of predominant flora and fauna o Temperature o Water o Sunlight o Wing o Rocks and soil o Periodic disturbance - Global climate o Seasons o Precipitation and winds - Lake stratification and turn over o Thermal stratification- vertical temperature layering o Biannual mixing- spring and autumn o Turnover- changing water temperature profiles, brings oxygenated water from the surface to the bottom and nutrient rich water from the bottom to the surface - Aquatic biomes o Vertical stratification, (layering Photic Zone – photosynthetic light Aphotic zone- little light
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This note was uploaded on 10/31/2011 for the course BIO 102 taught by Professor Robinson during the Spring '09 term at UPenn.

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Ecology - Ecology Chapter 50 Ecology o Components...

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