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- Which biogeochemical cycle does not have a gaseous component but cycles from the land to sediments in the ocean and back to the land? (a) carbon cycle (b) nitrogen cycle (c) phosphorus cycle (d) hydrologic cycle (e) neither a nor c has a gaseous component21. Decomposers are critical in the nitrogen and phosphorus cycles because they: are responsible for the fixation of the nutrients into a bioavailable form allow for the cycling of the nutrients within the biosphere are involved in processes that return the nutrients to their major reservoirs More than one of these choices is correct.8. For each of the biogeochemical cycles in the table below, list at least three areas on Earth where the chemical elements or compounds are stored (i.e., reservoirs). Biogeochemical cycles Storage pools or reservoirs Water Carbon Nitrogen Phosphorus 9. For the three biogeochemical cycles listed below, choose two reservoirs you have listed in the table from Question #8 and describe how the chemical elements/compounds moves between the two reservoirs. Note, you do not have to describe the complete cycle for each element/compound, simply describe the processes that connect two of the reservoirs that make up the cycle. Water: Carbon: Nitrogen:
- 1. Pick one of the biogeochemical cycles we are altering (C,N,P) and explain an environmental consequence associated with altering that cycle 2. Explain what we can do to get more Americans concerned about that issue 3. What actions are you willing to take personally to address your chosen issue (i.e. if you choose climate change, what steps would you actually take (not things you can do) to minimize your carbon footprint).Involves the participation of decomposers a. water cycleb. carbon cyclec. nitrogen cycled. phosphorus cyclee. none of the cyclesf. all of the cyclesThe atmosphere acts as a reservoir. a. water cycleb. carbon cyclec. nitrogen cycled. phosphorus cyclee. none of the cyclesf. all of the cycles
- Which of the following statement is NOT the benefit of biofuels? Lütfen birini seçin: O a. Promote the release of greenhouse gases O b. Improve rural income O c. Promote eco-friendly mechanisms O d. Reduce atmospheric pollution O e. Provide fuel security1. Discuss the following statement briefly: Eutrophication can be a natural process 2. What is the "nutrient limiting concept"1. Define biotic and abiotic factors of the environment. Give an example of each. 2. How do ecologists define the term ecosystem? 3. State the competitive exclusion principle. 4. Identify three different types of consumers. Name an example of each type. 5. Describe the role of decomposers in food webs. 6. What is a biogeochemical cycle? Name an example.
- The cyanobacteria in Lake Erie would best be described as .a. decomposersb. tertiary consumersc. primary producersd. heterotrophse. secondary consumers3. Mention the biogeochemical cycles in nature give an example of each5. Coastal upwelling is important to California coastal ecology because ? it brings necessary oxygen to the surface of the ocean, making it available to the photosynthetic organisms of the photic zone. it decreases the productivity in the areas it happens. it brings rich nutrients to the surface of the water, making them available to the photosynthetic organisms at the surface. it causes el Niño, which can be devastating to fisheries along the coast of California.