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24. Potential Warm-Up Quiz questions on Ecosystem Ecology . Energy ecosvstems 2. Draw a simple diagram of the carbon cycle in an ecosystem 3. What is carbon fixation? 4. What molecules are plants able to obtain nitrogen from? What molecules are animals able to obtain nitrogen from? Most of the nitrogern on earth is in the form of what molecule? 5. What is nitrogen fixation? 6. Define Gross Primary Production (GPP) in an ecosystem. ecosystems, while chemicals are in 7. Define Net Primary Production (NPP) in an ecosystem. 8. Define Net Secondary Production (NSP) in an ecosystem. 9. How is production efficiency calculated? 10. What are the main factors that limit primary production i aquatic ecosystems? 11. What are the main factors that limit primary production in terrestrial ecosystems?
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