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Propellants

Cp 3 Ecosystems

Subject: 
Environmental Science
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SocialTags: 
Biology
Ecology
State functions
Philosophy of biology
Ecological pyramid
Energy
Ecological efficiency
Food energy
Environment
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Chemistry
Carbon dioxide
Photosynthesis
Greenhouse gases
Propellants
Carbon Cycle
Carbon
Biomass
Climate change mitigation
Carbon dioxide in Earth's atmosphere
Environment
Energy Pryamid
Guided Reading
Cp. 3 Living in the environment

Cp 3 Ecosystems, What are they and How do They Work? p. 62 1. Define biomass 2. Give an everyday example. 3. Because the transfer of energy through the food chains and webs is not very ______________, some chemical energy is lost to the environment as ______-_______ _______. 4. What is ecological efficiency? 5. Give the range and the typical (specify which is which). 6. Prepare an Energy pyramid, start at 100,000 Calories Give all alternative names for each level. p. 63 7. The energy flow pyramids explain what about human populations? 8. About two thirds of the world?s human population survive on which foods? Why? p. 64 9. Why are food chains rarely more than 4 at the most 5 levels? 10. What is Gross primary producitivity? 11. How is it measured?
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