Topic 7 Ecology- Chemistry of the Environment

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Presentation transcript:

Topic 7 Ecology- Chemistry of the Environment

Ecology Interaction of organisms with the environment

Biotic Abiotic Living factors in the environment Plants, animals, bacteria Non-living factors in the environment Sunlight, temperature, water, soil, pH, weather

Ecosystem Organisms interacting with their non-living environment

Abiotic Factors

Reusing & Recycling Ecosystems must keep a balance in order to sustain itself

Water Cycle Produced during Cellular Respiration Needed for Photosynthesis Evaporation & Transpiration Condensation Precipitation

C,H,O Cycles CO2 produced during cellular respiration, needed for photosynthesis O2 produced during photosynthesis, needed for cellular respiration

Nitrogen Cycle Nitrogen fixation- certain bacteria can turn N2 into a usable form Plants absorb nitrogen from soil Animals eat plants Nitrogen leaves animals bodies through urine & feces Also, nitrogen enters soil when an animal dies and decays