Chapter16 - Chapter 16 Ecosystems and Biomes Chapter 16: p....

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Chapter 16 Ecosystems and Biomes Chapter 16: p. 484: introduction p. 487-88: photosynthesis p. 493: limiting factors p. 508-9: map of biomes p. 509-515: deforestation and biodiversity p. 516: Midlatitude Broadleaf and Mixed Forest Biosphere Ocean floor up to about 5 miles into atmosphere Biogeography (spatial ecology) – geographic distribution of plants and animals Humans most influential living agents of change Earth now witnessing 6 th extinction – this is the only one caused by biotic agent (humans) Plants and Photosynthesis Plants convert solar energy into forms useable by life Quote from text, “Ultimately, the fate of the biosphere rests on the success of plants and their ability to capture sunlight.” p. 487 Cells of plant leaves contain units called choroplasts which contain chlorophyll , a green, light-sensitive pigment Chlorophyll captures sun’s energy and result is photosynthesis Chemical reaction that produces a sugar (glucose) and releases oxygen
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This note was uploaded on 04/20/2008 for the course GEOS 200 taught by Professor Hanchette during the Spring '08 term at University of Louisville.

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Chapter16 - Chapter 16 Ecosystems and Biomes Chapter 16: p....

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