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10. Describe the different stages of a food chain. What is the difference between a food...
Ecosystems How is food chain different from a food web? Explain the difference between gross primary...
Ecosystems How is food chain different from a food web? Explain the difference between gross primary production and net primary production? What is the role of plant metabolism (respiration) in productivity? Why is energy lost from a food chain? Where does it go? Is it destroyed'? What limits NPP? What patterns exist in NPP in oceans vs terrestrial ecosystems? Are nutrients involved with NPP? Which ones? What trophic level (group of organisms) is needed for every ecosystem? What do the...
What is a food chain? What is a food web? What are trophic levels? (see class...
What is a food chain? What is a food web? What are trophic levels? (see class notes and Campbell pp. 1221-1223) What is the role of primary producers in food chains? Why is the biomass of consumers in a community determined by the net primary production (NPP) of the autotrophs in a community. What abiotic environmental factors affect the net primary production in a community? Gives examples of some communities with high NPP and some with low NPP. Open Ocean...
5. The study of marine food goes beyond that of following the fate of energy across levels (i.e., trophodynamics). Trop...
5. The study of marine food goes beyond that of following the fate of energy across levels (i.e., trophodynamics). Trophic relationships class we disscussed two ways in which trohic control change population abundance, the top- trophic can also control population abundance. In down and the bottom-up trophic control. Let's assume a food chain with four trophic levels: phyoplankton, krill, baleen whales, and killer whales. simplified Southern Ocean marine increasing their attack rate on baleen whales. Describe how top-down control changes...
An ecosystem containing organisms that thoroughly digest their food and convert more than 10% of the...
An ecosystem containing organisms that thoroughly digest their food and convert more than 10% of the calories they take in into biomass would be said to have high what? Trophic Efficiency Biodiversity Vertical Complexity Disturbance Frequency Trophic Complexity
Bidirectional predation between species A and B occurs in animal communities when O a, both species...
Bidirectional predation between species A and B occurs in animal communities when O a, both species are omnivores, consuming either a host plant or an herbivore O b. both species are herbivores O c. the older developmental stages of each species consume the younger, vulnerable stages of the other species O d. trophic levels in the food web are discrete, with members of each trophic level obtaining food resources from the trophic level one step lower in the food web...
Explain what happens with the total energy of the system at different trophic levels, indicating how...
Explain what happens with the total energy of the system at different trophic levels, indicating how much energy is transferred from one level to the next. Add a pesticide to your food chain and explain what happens with certain persistent chemical residues at different trophic levels.
5. What is a food chain? 6. At each stage of a food chain, what is...
5. What is a food chain? 6. At each stage of a food chain, what is the energy used for? 7. Complete the food chain below using the following terms: seals, cod, plants and algae killer whales, copepods, herring. Ocean Food Chain 8. What is chemosynthesis?
b) Explain the different stages of combustion when woody biomass is burnt in a combustion chamber. Describe how to calc...
b) Explain the different stages of combustion when woody biomass is burnt in a combustion chamber. Describe how to calculate the amount of air required for burning a biomass fuel with known proximate analysis and ultimate analysis. What are the major advantages of co- firing biomass with coal in existing coal-fired power stations? 6 marks e) What kind of gasifier is shown in the Figure below? Explain how it works? What application is the gasifier most suited for? 16 marks...
Describe the difference between a behavior chain and chaining as a procedure.
Describe the difference between a behavior chain and chaining as a procedure.
What is the difference between actual loss, perceived loss, and anticipatory loss? What are the stages...
What is the difference between actual loss, perceived loss, and anticipatory loss? What are the stages of grief/dying according to Kubler Ross? Describe each stage. Define death. Describe a "good death". What is the role and limitations of a nurse in providing a good death? What is the difference between normal and dysfunctional grief?
Ecosystems How is food chain different from a food web? Explain the difference between gross primary production and net primary production? What is the role of plant metabolism (respiration) in productivity? Why is energy lost from a food chain? Where does it go? Is it destroyed'? What limits NPP? What patterns exist in NPP in oceans vs terrestrial ecosystems? Are nutrients involved with NPP? Which ones? What trophic level (group of organisms) is needed for every ecosystem? What do the...
5. The study of marine food goes beyond that of following the fate of energy across levels (i.e., trophodynamics). Trophic relationships class we disscussed two ways in which trohic control change population abundance, the top- trophic can also control population abundance. In down and the bottom-up trophic control. Let's assume a food chain with four trophic levels: phyoplankton, krill, baleen whales, and killer whales. simplified Southern Ocean marine increasing their attack rate on baleen whales. Describe how top-down control changes...
Bidirectional predation between species A and B occurs in animal communities when O a, both species are omnivores, consuming either a host plant or an herbivore O b. both species are herbivores O c. the older developmental stages of each species consume the younger, vulnerable stages of the other species O d. trophic levels in the food web are discrete, with members of each trophic level obtaining food resources from the trophic level one step lower in the food web...
5. What is a food chain? 6. At each stage of a food chain, what is the energy used for? 7. Complete the food chain below using the following terms: seals, cod, plants and algae killer whales, copepods, herring. Ocean Food Chain 8. What is chemosynthesis?
b) Explain the different stages of combustion when woody biomass is burnt in a combustion chamber. Describe how to calculate the amount of air required for burning a biomass fuel with known proximate analysis and ultimate analysis. What are the major advantages of co- firing biomass with coal in existing coal-fired power stations? 6 marks e) What kind of gasifier is shown in the Figure below? Explain how it works? What application is the gasifier most suited for? 16 marks...
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