Microbiology: An Evolving Science (Fourth Edition)
4th Edition
ISBN: 9780393615098
Author: John W. Foster, Joan L. Slonczewski
Publisher: W. W. Norton & Company
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Chapter 22.4, Problem 2TQ
Summary Introduction
To review:
The effect of increased nitrogen input on the carbon cycle of an ecosystem.
Introduction:
Carbon and nitrogen cycles are vital geochemical cycles of the biosphere. Each cycle has its importance for maintaining the balance of the ecosystem. Most of the carbon dioxide in the atmosphere is cycled by microbial
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Which of the following is false concerning the carbon cycle?
Decomposers take organic carbon and turn it into inorganic nutrients (phosphorus, sulfur, nitrogen, etc.)
Consumers take in organic carbon (food) and convert the waste into carbon dioxide.
C) Producers take carbon dioxide and turn it into organic carbon (food).
Plants take organic carbon (food) and convert the waste into carbon dioxide.
Describe two ways that the biological nitrogen cycleinteracts with the biological carbon cycle.
Why are bacteria required in the nitrogen cycle
Chapter 22 Solutions
Microbiology: An Evolving Science (Fourth Edition)
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- Which of the following best describes how using fertilizer would affect the nitrogen cycle? The use of fertilizer would result in more nitrogen in the groundwater. The use of fertilizer would result in less nitrogen in the soil. The use of fertilizer would result in more phosphorus in the soil. The use of fertilizer would result in more nitrogen being added to the carbon cycle.arrow_forwardChapter 10 of your textbook describes four biogeochemical cycles (some of which might also be called nutrient cycles) which carry elements and compounds essential to life on earth: the oxygen cycle, the carbon cycle, the nitrogen cycle and the phosphorous cycle. Read the sections in the textbook and refer to the diagrams for each of the cycles.These cycles are constantly going on around us. Think about how we are involved in these cycles. What parts of the major biogeochemical cycles do we witness or experience in our daily lives? Give one example per post or response. Think about where the element or nutrient may have come from or where it may go next and whether the process may have been affected by humans and human activities.A simple example (using the hydrologic cycle, which we studied in Chapter 7): Yesterday I was at the beach and witnessed rain falling into the ocean. This is part of the hydrologic cycle. Most of the rainwater probably came from evaporation of water from the…arrow_forwardIn what ways do human activities influence the: a) Carbon Cycle? b) Nitrogen Cycle? SIMPLE ANSWER IF POSSIBLE PLS!arrow_forward
- On a piece of paper draw the nitrogen and the carbon cycle for a terrestrial ecosystem. The cycles should show the detail of the transformation of the element, where the transformation occurs, as well as biotic and abiotic components. Now, starting with the animal, write out your description of the nitrogen cycle then describe the carbon cycle.arrow_forwardDescribe the reservoirs and organisms involved in the carbon cycle and the nitrogen cycle.arrow_forwardFigure 20.12 Which of the following statements about the nitrogen cycle is false? a. Ammonification converts organic nitrogenous matter from living organisms into ammonium (NH4+) . b. Denitrification by bacteria converts nitrates (NO3) to nitrogen gas (N2) . c. Nitrification by bacteria converts nitrates (NO3) to nitrites (NO2) . d. Nitrogen fixing bacteria convert nitrogen gas (N2) into organic compounds.arrow_forward
- Plant growth is limited by available nitrogen. Why is nitrogen fixation a limiting factor? There is very little nitrogen available after fossil fuel combustion utilizes the available nitrogen. Nitrogen must be produced by bacteria due to the inability of recycling by decomposers. There is no nitrogen in the atmosphere; it is only found in aquatic biomes. The stability of nitrogen gas makes it difficult to turn into nitrogen for living things.arrow_forwardDiscuss nitrogen cyclearrow_forwardDescribe how human activities disrupt the nitrogen cycle.arrow_forward
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