Scientific evidence indicates that the CO2CO2added to the air by the burning of wood and fossil fuels is contributing to global warming, a rise in global temperature. Tropical rain forests are estimated to be responsible for approximately 20% of global photosynthesis, yet the consumption of large amounts of CO2CO2 by living trees is thought to make little or no netcontribution to reduction of global warming. Explain why this might be the case. (HINT: What processes in both living and dead trees produce CO2CO2?)

Scientific evidence indicates that the CO2CO2added to the air by the burning of wood and fossil fuels is contributing to global warming, a rise in global temperature. Tropical rain forests are estimated to be responsible for approximately 20% of global photosynthesis, yet the consumption of large amounts of CO2CO2 by living trees is thought to make little or no netcontribution to reduction of global warming. Explain why this might be the case. (HINT: What processes in both living and dead trees produce CO2CO2?)

Biology: The Dynamic Science (MindTap Course List)

4th Edition

ISBN:9781305389892

Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Chapter7: Cellular Respiration: Harvesting Chemical Energy

Section: Chapter Questions

Problem 1ITD

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Scientific evidence indicates that the CO2 added to the air by the burning of wood and fossil fuels is contributing to global warming, a rise in global temperature. Tropical rain forests are estimated to be responsible for approximately 20% of global photosynthesis, yet the consumption of large amounts of CO2 by living trees is thought to make little or no net contribution to reduction of global warming. Why might this be? (Hint: What processes in both living and dead trees produce CO2?) *
Scientific evidence indicates that the CO2 added to the air by the burning of wood and fossil fuels is contributing to global warming, a rise in global temperature. Tropical rain forests are estimated to be responsible for approximately 20% of global photosynthesis, yet the consumption of large amounts of CO2 by living trees is thought to make little or no net contribution to reduction of global warming.
Tropical rainforest covers only about 3% of earth's surface, but they are estimated to be responsible for more than 20% of global photosynthesis. For this reason, rainforests are often referred to as the “lungs' ' of the planet, providing O2 for life all over earth. However, most experts believe that rainforests make little or no net contribution to global O2 production. From your knowledge of photosynthesis and cellular respiration, can you explain why they might think this? ( Hint: what happens to the energy stored as sugars in the body of a plant when that plant dies or parts of it are eaten by animals?)
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.
One 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.
How does the use of fossil fuels affect our planet? Explain how the following events are closely connected to the burning of fossil fuels: acid deposition, sea level rise, global climate change, greenhouse gases, and one additional occurrence of your choice.
Why is carbon dioxide the focus of so much attention regarding climate change? What are the main sources of carbon dioxide in the atmosphere and what can we do to reduce the amount of carbon dioxide in the atmosphere? Bring into your discussion the carbon cycle, a discussion of Venus and Mercury, the evidence for human impact on carbon dioxide levels in the atmosphere and its impact on climate (refer to any graphs you need to), and ways in which scientists have recommended limiting climate change.
SCIENCE, TECHNOLOGY, AND SOCIETY Scientific evidenceindicates that the CO2 added to the air by the burning of woodand fossil fuels is contributing to global warming, a rise inglobal temperature. Tropical rain forests are estimated to beresponsible for approximately 20% of global photosynthesis,yet the consumption of large amounts of CO2 by living trees is thought to make little or no net contribution to reductionof global warming. Explain why this might be the case. (Hint:What processes in both living and dead trees produce CO2?)
(e) Which unstable, reactive species are responsible for the removal of CO from the atmosphere? (f) Carbon monoxide gas is more dangerous than carbon dioxide gas. Why? (g) Green plants use carbon dioxide for photosynthesis and return oxygen to the atmosphere, even then carbon dioxide is considered to be responsible for the greenhouse effect. Explain why?
How does the combustion of fossil fuels influence our planet? Be sure to explain how the following are directly related to the combustion of fossil fuels: acid deposition, sea level rise, global climate change, greenhouse gasses and one other event of your choosing.
Burning biomass to produce electricity avoids many of the problems associated with gathering, refining, transporting, and burning fossil fuels. Yet the use of biomass as fuel is not without its own set of problems. What challenges might arise from a large-scale conversion to biomass energy? How do these challenges compare with those encountered with fossil fuels? Which set of challenges do you think is more likely to be overcome? Does one energy source have more benefits and fewer costs than the others? Explain.
Removal of the source of CO2 from photosynthesizing chloroplasts results in rapid changes in the concentration of certain chemicals. Which one of the following represents the correct combination of concentration changes?.