. The concentration of atmospheric carbon dioxide has increased since the beginning of the industrial age. Based on what you have learned in this unit, predict the effect of increased carbon dioxide on the rate of photosynthesis in the biosphere.
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- (2) Name the human activity that is responsible for the greatest change to the amount of carbon (3) Explain how farming cattle to provide meat and milk may change the amount of carbon in 7.3 The carbon cycle available for cycling. buning of fossil fuels such as coal, oil anel aas 3 the atmosphere. Analyse the information proided about how human activity changes the carbon cyele o the diagram of the carbon cycle below: (a) colour in red the arrows that represent movements of carbon that would be increasendi human activity (b) colour in blue the arrows that represent movements of carbon that would be reduced be human activity Scarbon dioxide in air burning of fossil fuels for vehicles, electricity and heat burning of forests, fuel wood and organic debris photosynthesis A carbon stored in plant tissue terrestrial food chains carbon stored in animal tissue respiration < /decompoOsers coal wastes, dead organisms Tme photosynthesis (aquatic food chains) ol and gas time ----- - formation of…view the attached diagrams ‘The Carbon Cycle’ and ‘Carbon flows 1500AD and 2000AD’. write in detail explaining the key points being expressed in them.4. How does the carbon cycle support the Law of Conservation of Mass? A. The total amount of carbon decreases, as it moves through the carbon cycle. B. The total amount of carbon gradually increases, as it moves through the carbon cycle. С. The total amount of carbon is constant but limited as it moves through the carbon cycle. D. The total amount of carbon changes depending on where its located in the carbon cycle.
- 4. Complete the following table regarding energy flow in an ecosystem. Consumers Producers Example Have mitochondria Have chloroplasts Perform photosynthesis Perform cellular respirationAP Environmental Science Primary Productivity Problems Net Primary Productivity efficiency can be calculated for terrestrial producers when values for insolation energy, respiration loss and gross productivity are known. Use the equations below to answer the following problems: Net Primary Productivity = Gross Productivity – Respiration Loss Efficiency = . NPP . X 100 Insolation Energy In a rice paddy in Southeast Asia, the insolation energy is 6,000,000 calories/m2/day. The gross productivity of the rice is 0.012 grams/cm2/day, and the respiration loss is 20 percent. One gram of rice is equivalent to 1000 calories. Calculate the net primary productivity of the rice. Find the efficiency of photosynthesis by the rice. Could you mostly help me set it up and find it? So I can learn how to do it.3. If you measure the available biomass for a patch of forest as 10 kg C/ m2-year, and the amount of CO2 given off into the atmosphere as 5 kg C/ m2-year, what is the GPP? 4. Imagine we run an experiment on the algae Cladophora glomerata. We place equal amounts of algae into a light bottle and a dark (covered) bottle. We measure the dissolved oxygen in both bottles and find it is at 10 mg/L. We let both bottles sit for a week. In one week, the light bottle has a dissolved oxygen value of 11 mg/L and the dark bottle has a value of 5 mg/L. CALCULATE the amount of respiration, the NPP and the GPP in this situation.
- 1. In your own understanding, describe/compare the Water Cycle, Carbon-Oxygen Cycle and the Nitrogen Сycle 2. Write a summary of all the processes involved in each cycle. 3. Why are these cycles so important in the ecosystem ?Scientists at the Global Footprint Network calculate the energycomponent of our ecological footprint by estimating the amountof ecologically productive land and sea required to absorb thecarbon released from fossil fuel combustion. This translates into4.9 ha of the average American’s 7.2-ha ecological footprint.Another way to think about our footprint, however, is to estimatehow much land would be needed to grow biomass with anenergy content equal to that of the fossil fuel we burn.Assume that you are an average American who burns about6.3 metric tons of oil-equivalent in fossil fuels each year andthat average terrestrial net primary productivity (p. 32) can beexpressedas 0.0037 metric tons/ha/year. Calculate how manyhectares of land it would take to supply our fuel use by presentdayphotosynthetic production. Compare the energy component of your ecological footprintcalculated in this way with the 4.9 ha calculated usingthe method of the Global Footprint Network. Explainwhy results from…How much biogas will a 55 gallon| filled with grass clipping and organic waste and water produce with temperature 35-45 degrees Celsius?
- Which of the following would lead to a DECREASE in atmospheric methane concentration? O increased rice production O reduced beef in human diets Opermafrost melting O drilling for natural gasOne of the major issues in reducing the production of greenhouse gases is the ability to produce and use alternative fuels such as hydrogen, methane or ethanol. Compare and contrast these options with special regard for how they may be biologically produced.Background: One of the main drivers of climate change is the emissions of carbon dioxide gas into the atmosphere from the burning of fossil fuels. This has altered the global carbon cycle. using the link below to watch https://youtu.be/xk11DVaAjEA PROMPT: 1) What role does photosynthesis paly in the global carbon cycle? 2) What are fossil fuels and how are they altering the global carbon cycle? 3. Learn about carbon sequestration. Briefly explain what it is and how it can help to mitigate the impacts of climate change. Post a link an example of where/how this is being implemented.