CAMPBELL BIOLOGY IN FOCUS-W/MASTR.BIO.
3rd Edition
ISBN: 9780134875040
Author: Urry
Publisher: PEARSON
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Chapter 8, Problem 9TYU
SCIENCE, TECHNOLOGY, AND SOCIETY
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 though1 to make little or no net con1ribution to reduction of global warming. Explain why might this be the case (Hint: What processes in both living and dead trees produce CO2?)
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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?)
Understanding the way carbon is cycled in nature is helpful when looking at
ways human activities have affected the carbon cycle. A significant increase in
Human activity changes the carbon cycle
13 The carbon cycle
7.3
Science understanding
FOUNDATION
STANDARD
ADVANCED
Vhaderstanding the way carbon is cycled in nature is helpful when looking at
C human activities have affected the carbon cycle. A significant increase in
he amount of gases containing carbon compounds in the atmosphere is thought
to he caused by a range of human activities including:
burning of fossil fuels (coal, oil and natural gas) as a source of energy for
industry, transport and households-releasing CO, and CH,
, deforestation (removal of trees)-releasing CO, and reducing CO, uptake
cement (nl a powde
made from clay and
limestone used to
make concrete
cultivation (n) the
preparation of soil fo
farming
degraded (adj) poor
quality
emission (n)
through photosynthesis
. changing land use (for example, for agriculture…
Photosynthesis and cellular respiration are related to each other through
the cycling of carbon in various forms as it moves through different living and nonliving systems.
only the breaking down of molecules which support chemicals reactions that occur in living things.
their reliance on processes like fossilization, combustion, feeding, etc. to move chemicals needed to support life.
A and B
A and C
Chapter 8 Solutions
CAMPBELL BIOLOGY IN FOCUS-W/MASTR.BIO.
Ch. 8.1 - How do the CO2 molecules used in photosynthesis...Ch. 8.1 - How did the use of an oxygen isotope help...Ch. 8.1 - WHAT IF? The Calvin cycle requires ATP and NADPH,...Ch. 8.2 - What color of light is least effective in driving...Ch. 8.2 - In the light reactions, what is the initial...Ch. 8.2 - Prob. 3CCCh. 8.3 - MAKE CONNECTIONS How are the large numbers of ATP...Ch. 8.3 - WHAT IF? Explain why a poison that inhibits an...Ch. 8.3 - Prob. 3CCCh. 8.4 - Prob. 1CC
Ch. 8 - The light reactions of photosynthesis supply the...Ch. 8 - Which of the following sequences correctly...Ch. 8 - How is photosynthesis similar in C4, plants and...Ch. 8 - Which of the following statements is a correct...Ch. 8 - Which of the following does not occur during the...Ch. 8 - In mechanism, photophosphorylation is most similar...Ch. 8 - Prob. 7TYUCh. 8 - To synthesize one glucose molecule, the Calvin...Ch. 8 - SCIENCE, TECHNOLOGY, AND SOCIETY Scientific...Ch. 8 - DRAW IT The following diagram represents an...Ch. 8 - Prob. 11TYUCh. 8 - Prob. 12TYUCh. 8 - FOCUS ON ENERGY AND MATIER Life is solar powered....Ch. 8 - SYNTHESIZE YOUR KNOWLEDGE Watermelon snow in...
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- Part B Photosynthesis plays an important role in maintaining life in most ecosystems on Earth because it has an impact on how organisms obtain their energy. In your science journal, write a claim that supports the idea that photosynthesis helps sustain life on Earth, and support that claim with at least one piece of evidence. Use the rubric below to assist you with your response. Criteria Scale Makes Claim about Photosynthesis and Supports Claim with Evidence 2 This response includes both a claim about photosynthesis and its importance, and supports the claim with one piece of factual evidence. 1 This response either lacks both a claim and a piece of evidence, or contains a faulty claim or irrelevant/faulty evidence. 0 This response lacks the required components for partial credit.arrow_forwardWhy are the rates of photosynthesis and cellular respiration dependent upon temperature?arrow_forwardTropical 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?)arrow_forward
- Explain why this carbon cycle diagram does not have a b arrow that shows carbon atoms going from CO 2 molecules in the air directly to the giraffe. Based on this picturearrow_forwardThe Carbon Cycle Carbon dioxide in atmosphere Weathering of terrestrial rocks Air sea gas exchange Respiration Human emissions Respiration Terrestrial photosynthesis Oceans Soil carbon Leaching/Runoff Ocean sediments Marine photosynthesis Microbial respiration and decomposition Fossil carbon Uplifting According to this image of the carbon cycle, from your OpenStax textbook, which of the following removes carbon from the atmosphere? photosynthesis weathering of terrestrial rocks human emissions O cellular respiration by plants and animalsarrow_forwardWatermelon snow in antarctica is caused by a species of photosynthetic green algae a the tribes in sub-zero temperatures.These algae are also found in high altitude year-round snow field.In both location uv light levels tend to be high based on what you have learned this week propose an explanation for what is photosynthesis a reddish pink.arrow_forward
- Provide one way you can reduce carbon emissions.arrow_forwardrocesses remove carbon dioxide from the atmosphere? (hint- there are 4) atmospheric CO2 combustion combustion of fossil fuels assimilation by plants and animals animal respiration plant respiration assimilation into soil assimilation by phytoplankton SEEEEE ocean peat formation of fossil fuels organic decomposition (animal waste, dead animals, and plants) coal oil marine deposits of CaCO3 © 2008 Encyolopedia Britannica, Inc. End F10 Prt Scn Home 9 DII F7 x F2 F4 2$ % V. @ # 7 8. 3 4 Y U W D J K F V B N M C 5.arrow_forwardCan you help me on this work i have for biology this is about the carbon cycle field trip all you have to do is look at the diagram which is in the pic and figure out the removal of carbon dioxide from the atmospherearrow_forward
- 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.arrow_forwardExploration Act Complete the table below using the following interactive website. http://www.tv411.org/science/tv411-whats-cooking/photosynthesis-science-lesson "Photowynthesis: Science Lesson." TV411, Education Development Center, 2014. Substance Description How Used by Plants gas in the atmosphere that is produced Carbon Dioxide by Carbon based fuel when its burned. A building block for glucose It consists of two hydrogen atoms bonded Maintain the turgidity of cell walls. to an oxygen atom. Water To convert carbon dioxide Light To convert carbon dioxide Chlorophyll Green pigment found in leaves A carbohydrąte that is the product of photosynthesis. For protein synthesis or cell division Glucose A gaseous element that makes up about 21 percent of the Earth's atmosphere. Stored for energy and released by a byproduct Охудen It captures energy from sunlight, converts it and stores it in ATP or NADPH. Absorbs sunlight Chloroplast It captures chemical energy obtained from the breakdown of…arrow_forwardGiven the information in the graph what conclusion can you make with respect to the relationship between climate change (increasing global temperatures) and the amount of carbon dioxide released into the atmosphere by land ecosystems? Explain, using information from the graph to support your explanation.arrow_forward
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Photosynthesis & Respiration | Reactions | Chemistry | FuseSchool; Author: FuseSchool - Global Education;https://www.youtube.com/watch?v=3XIyweZg6Sw;License: Standard YouTube License, CC-BY