Ecosystem Components, Energy Flow and Matter Cycling. Chapter 4 Miller’s Living in the Environment !3th Edition. Chapter 4 Ecology, Ecosystems, and Food Webs. 4-1 Ecology and Life 4-2 Earth’s Life-Support Systems 4-3 Ecosystem Concept 4-4 Food Webs and Energy Flow in Ecosystems
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Miller’s Living in the Environment
The Earth contains several layers or concentric spheres
Consists of the earth’s liquid water, ice, and water vapor in the atmosphere
www.bom.gov.au/lam/climate/levelthree/ climch/clichgr1.htm layers or concentric spheres
Climate– Long-term weather; main factor determining what type of life will be in a certain area.
Producers or autotrophs- makes their own food from compound obtained from environment.
Photosynthesis- ability of producer to convert sunlight, abiotic nutrients to sugars and other complex organic compounds
Food Web energy, which is stored in complex carbohydrates, lipids, proteins and nucleic acid in plant tissue
(100,000 Units of Energy)
(1,000 Units of Energy)
(100 Units of Energy)
(10 Units of Energy)
(1 Units of Energy)
Storage of biomass at various trophic levels of ecosystem
Number of organisms at each trophic level
Rate in which producers convert solar energy into chemical energy (biomass) in a given amount of time
Nutrient Cycles and Soilshttp://www.nicksnowden.net/Module_3_pages/ecosystems_energy_flows.htm
Energy FlowNutrient Cycles (Closed System) Energy Flow (Open System)