Biology: Concepts and Investigations
5th Edition
ISBN: 9781260542202
Author: Marielle Hoefnagels
Publisher: Mcgraw-hill Higher Education (us)
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Textbook Question
Chapter 5, Problem 1WIO
Imagine that multiple simultaneous volcanic eruptions send black ash into Earth’s atmosphere, making photosynthesis impossible anywhere on Earth for many years. What would be the consequence to plants? To animals? To microbes?
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Students have asked these similar questions
Why, then, is there such a diversity of photosynthetic organisms?
What might happen if all of the autotrophs on the planet suddenly became heterotrophs?
No organism would be able to collect energy from light or carbon from air, and life would end.
Heterotrophs would get their energy from sunlight.
New autotrophs would arise through exogenesis.
Some heterotrophs would become mesotrophs.
Which is one way in which photosynthesis is involved in the carbon cycle?
A) Photosynthesis produces carbondioxide (CO2) which is released into the atmosphere
B) Photosynthesis returns carbon from organism to the soil
C) Photosynthesis release glucose into the atmosphere
D) Photosynthesis uses carbon dioxide (CO2) from the atmosphere
Chapter 5 Solutions
Biology: Concepts and Investigations
Ch. 5.1 - Prob. 1MCCh. 5.1 - Prob. 2MCCh. 5.1 - Prob. 3MCCh. 5.1 - Prob. 4MCCh. 5.1 - How did the origin of photosynthesis alter Earths...Ch. 5.2 - Prob. 1MCCh. 5.2 - Prob. 2MCCh. 5.2 - Prob. 3MCCh. 5.2 - How does the reaction center chlorophyll interact...Ch. 5.3 - Prob. 1MC
Ch. 5.3 - Prob. 2MCCh. 5.4 - Prob. 1MCCh. 5.4 - Prob. 2MCCh. 5.4 - Prob. 3MCCh. 5.4 - Prob. 4MCCh. 5.5 - What is the relationship between the light...Ch. 5.5 - Prob. 2MCCh. 5.6 - Why is the Calvin cycle also called the C3...Ch. 5.6 - Prob. 2MCCh. 5.6 - What conditions maximize photorespiration?Ch. 5.6 - Prob. 4MCCh. 5.6 - Prob. 5MCCh. 5.7 - Prob. 1MCCh. 5.7 - Prob. 2MCCh. 5 - Where does the energy come from to drive...Ch. 5 - Prob. 2MCQCh. 5 - Prob. 3MCQCh. 5 - The evolution of photosynthesis resulted in a. an...Ch. 5 - Prob. 5MCQCh. 5 - Prob. 6MCQCh. 5 - Prob. 7MCQCh. 5 - Imagine that multiple simultaneous volcanic...Ch. 5 - Prob. 2WIOCh. 5 - Prob. 3WIOCh. 5 - Would a plant grow belier in a room painted blue...Ch. 5 - Determine whether each of the following molecules...Ch. 5 - Over the past decades, the CO2 concentration in...Ch. 5 - How does photosynthesis help compensate for...Ch. 5 - How is the CAM pathway adaptive in a desert...Ch. 5 - Explain how C4 photosynthesis is based on a...Ch. 5 - Prob. 1PITCh. 5 - 2. How would you incorporate the Calvin cycle,...Ch. 5 - Prob. 3PITCh. 5 - Prob. 4PIT
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- Matter is constantly cycled between living and non living parts of the environment. Processes like photosynthesis and respiration allow the carbon cycle to regenerate needed substances by recycling earth’s atoms. A diagram of the carbon cycle is shown. Each arrow represents a process in the cycle. Which explanation best describes the process in the cycle. Which explanation best describes the process that occurs at the arrow marked B? A) plants use carbon dioxide from the atmosphere in the process of photosynthesis to produce glucose B) plants release carbon dioxide into the atmosphere in the process of photosynthesis to produce glucose C) plants use carbon dioxide from the atmosphere in the process of cellular respiration to convert glucose to atp energy D) plants release carbon dioxide into the atmosphere in the process of cellular respiration to convert glucose to atp energyarrow_forwardArtificial photosynthesis is being researched to provide: a)Plastic shrubbery b)Synthetic fuel c)Permanent leaves d)Synthetic proteinsarrow_forwardIf space exploration revealed a planet that had the water, sunlight, and climate, necessary to maintain good plant life, would it be possible to produce oxygen and food necessary to sustain human life?arrow_forward
- Why is carbon important to life? What is the role of photosynthesis in the carbon cycle? What is the role of cellular respiration in the carbon cycle? How does the burning of fossil fuels contribute to the carbon cycle? How do death and decomposition contribute to the carbon cycle? Why is nitrogen important to life? How much of the atmosphere is made up of nitrogen gas? Why is N2 (atmospheric nitrogen) not usable by most organisms? What organisms are responsible for nitrogen fixation? How do plants receive the nitrogen that they require? Why are bacteria essential to the carbon and nitrogen cycles?qarrow_forwardHow would radiation at 220 nm affect a microbial cell? It would allow it to photosynthesize. It would allow cells to synthesize vitamin D. It would have little effect, since this wavelength is not easily absorbed by cells. It would cause mutations. It would deactivate photolyases. It would have no effect. This wavelength is absorbed by the atmosphere’s ozone layer.arrow_forwardWhich microbes were the first to evolve oxygenic photosynthesis and thus were responsible for first converting Earth's atmosphere from anaerobic to an aerobic environment? cyanobacteria green plants strict/obligate aerobic bacteria algaearrow_forward
- Which of the following is not a pigment that aids in photosynthesis? a.) electrons b.) chlorophyll a c.) caotenoidsarrow_forwardIn addition to the pigments commonly associated with photosynthesis, a certain photosynthetic species contains two additional pigment types. Which of the following best supports the claim that this species is better adapted to environmental changes than other photosynthetic species are? a) The additional pigments allow the species to outcompete other species for the wavelengths of light commonly used in photosynthesis. b) The increased pigment concentration better facilitates energy production within the cells of the species. c) The pigment combination allows the organism to absorb heat as well as light, making better use of available energy. d) The additional pigments allow the species containing them to harvest energy from wavelengths of light that the other photosynthetic species cannot use.arrow_forwardA botanist has been examining three plants, measuring the amount of acid in their cells, and examining sections of their leaves under the microscope. Numbers in the table are in relative units. Part A: Identify the kind of photosynthesis being done by each plant. Explain how enzymes contribute to this data. Part B: Decipher the origin of each plant if one is from the Mojave Desert, one is from a sand dune in Florida, and one is from Minnesota, and explain how you deciphered this.arrow_forward
- What is the importance of autotrophs in our ecosystemarrow_forwardDescribe the path of a carbon atom through the carbon cycle. Be sure to include the roles of photosynthesis and respiration in each explanation a) Describe your journey starting as a CO2 molecule in the bottom layer dissolved in the water. Describe at least 3 transformations and the organisms involved. b) Describe the journey starting as a molecule of CO2 in the "atmosphere" of the top layer of the bottle. Describe at least three transformations and the organisms involved. c) How could your eco-columnbe used to model the greenhouse effect?arrow_forwardWhat gas do plants absorb from the atmosphere during photosynthesis? a) Oxygen b) Nitrogen c) Carbon dioxide d) Hydrogenarrow_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