Ecosystem EcologyApril 28, 20081. Ecosystem ecology is the study of _______ flow and ___________ and __________ recycling.2. Differentiate between: primary production, primary consumption and secondary consumption.3. Energy can be ______________; it _________ be created or destroyed.4. In a closed system, the _____________ of the universe increases.5. What are the differences between food chain and food web?6. Give four reasons why there is so much plant biomass if there are herbivores?7. Productivity is the accumulation of ___________ over _________ and is given bythe units ____________________.8. Net Primary Productivity = Gain from ___________ - Loss from ____________.9. Fill in the numbers in the boxes10. Aquatic ecosystems have inverted food pyramid because _________________________________________________________________.11. Draw the a. Nitrogen cycle b. Phosphorus cycle c. Carbon cycled. Water cycle 12. A difference between Nitrogen cycle and Phosphorus cycle is that there is no ___________ component of Phosphorus in the cycle and it tends to cycle locally. 13. What are some of the effects of increasing CO2 in the atmosphere? 14. Explain Greenhouse effect and enhanced greenhouse effect.Increasing co21. More carbohydrates (sugars) produced.2. Greater rates of growth.3. Lower protein content in tissues (affects herbivores)4. Smaller responses where nutrient limitation exists.• Greenhouse effect – natural tendency of our atmosphere (CO2, methane, and other greenhouse gases) to trap radiation close to the earth’s surface. Keeps it 33 C warmer.• Enhanced greenhouse effect – the extra greenhouse gases are predicted to warm our atmosphere from 1-5 degrees C during the next 100 years (“global warming”).This is based on computer models that are still relatively
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