Nester's Microbiology: A Human Perspective
9th Edition
ISBN: 9781259709999
Author: Denise G. Anderson Lecturer, Sarah Salm, Deborah Allen
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 28, Problem 8MC
Energy for ecosystems can come from
a) sunlight via photosynthesis.
b) oxidation of reduced inorganic chemicals by chemoautotrophs.
c) both a and b.
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Students have asked these similar questions
Which process is a source of phosphorus in ecosystems?
A) Erosion of rock by water
B) Fixation by bacteria in soil
C) Respiration by Plants and Animals
D) Photosynthesis by plants and algae.
4)
Many bacteria and fungi are important in the environment because they
A)
recycle nutrients, making them available for other organisms
B)
return energy to the environment, making it available for plants
C)
produce glucose through the process of respiration
D)
reverse the flow of energy in the ecosystem
6) Which of the following is not a source of carbon in the biosphere?
A) Ocean rocks and sediments.B) Fossil fuels and calcium carbon rock underground.C) The oceans as dissolved carbon dioxide.D) Carbon dioxide in the atmosphere.
Chapter 28 Solutions
Nester's Microbiology: A Human Perspective
Ch. 28 -
1. Describe why a microbial mat has green,...Ch. 28 -
2. How do bacteriocins benefit bacteria in their...Ch. 28 - Prob. 3SACh. 28 - What is the role of genetic databases in...Ch. 28 - Prob. 5SACh. 28 - Prob. 6SACh. 28 - Prob. 7SACh. 28 - Prob. 8SACh. 28 - Give examples of free-living and symbiotic...Ch. 28 - Prob. 10SA
Ch. 28 - Prob. 1MCCh. 28 - Which of the following is false? a) Culture...Ch. 28 -
3. Which of the following pairs that relate to...Ch. 28 - Prob. 4MCCh. 28 - Prob. 5MCCh. 28 - Prob. 6MCCh. 28 - Prob. 7MCCh. 28 -
8. Energy for ecosystems can come from
a)...Ch. 28 -
9. Mycorrhizas represent associations between...Ch. 28 - In symbiotic nitrogen fixation by rhizobia and...Ch. 28 - Prob. 1ACh. 28 - Prob. 2ACh. 28 - Prob. 1CTCh. 28 - Prob. 2CT
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Energy from the sun is directly harnessed by _________ A.) producers B.)all organisms C.)consumers which can be _______ by other organisms. A.)consumed B.)decomposed C.)inheritedarrow_forwardWhich of the four diagrams shown below correctly show the process of the carbon cycle? A) A B) B C) C D) Darrow_forwardWhich of the following natural resources humans gain from plants is the LEAST renewable? a) Peat b) Coal c) Wood d) Fruit e) A and B are equally non-renewablearrow_forward
- 2)The greastes effect that hmans have on the carbon cycle derives from A) the production of methane from domestic cattle B) all of these C) the production of CFCs D) runoff of fertilizers from agriclture E) the burning of fossil fuelsarrow_forward27. Cultural eutrophication is a natural process. A) True B) False 28. In the carbon cycle _________________________. A) CO2 enters the ocean primarily by photosynthesis. B) photosynthesis always balances respiration. C) Carbon enters the food chain in the form of carbonic acid. D) CO2 in the ocean forms a weak acid.arrow_forward55) Which statement most accurately describes how matter and energy are used in ecosystems? A) Matter flows through ecosystems; energy cycles within a single ecosystem. B) Energy flows through ecosystems; matter cycles within and through ecosystems. C) Energy can be converted into matter; matter cannot be converted into energy. D) Matter can be converted into energy; energy cannot be converted into matter. E) Matter is used in every ecosystem; energy is only used in some ecosystems. 56) To recycle nutrients, an ecosystem must have, at a minimum, A) producers. B) producers and decomposers. C) producers, primary consumers, and decomposers. D) producers, primary consumers, secondary consumers, and decomposers. E) producers, primary consumers, secondary consumers, top carnivores, and decomposers. 57) Which of the following is an example of bioremediation? A) bulldozing the land around an abandoned strip mine to combat erosion B) scraping a river bottom with a tool to remove…arrow_forward
- Adding high levels of nutrients to a lake or inshore area wouldhave all of the following effects in that environment excepta) death of clams and crabs.b) increased growth of heterotrophic microbes.c) increased growth of photosynthetic organisms.d) increased levels of dissolved O2 .arrow_forwardWhat gas do plants absorb from the atmosphere during photosynthesis? a) Oxygen b) Nitrogen c) Carbon dioxide d) Hydrogenarrow_forward56) To recycle nutrients, an ecosystem must have, at a minimum, A) producers. B) producers and decomposers. C) producers, primary consumers, and decomposers. D) producers, primary consumers, secondary consumers, and decomposers. E) producers, primary consumers, secondary consumers, top carnivores, and decomposers. 57) Which of the following is an example of bioremediation? A) bulldozing the land around an abandoned strip mine to combat erosion B) scraping a river bottom with a tool to remove contaminated sediments C) reconfiguring a river channel to increase the flow of water down a river D) using microorganisms to eat oil in marine waters after a tanker oil spillarrow_forward
- 7. Which of the following does NOT contribute to the human impact on the environment? A) The size of the human population. B) Human affluence. C) The rapid evolution of humans compared to other species. D) The speed of change caused by humans. 8. Which of the following may be true of atmospheric CO2? A) The ocean will absorb the excess atmospheric CO2. B) Plant photosynthesis cannot compensate for increased atmospheric CO2. C) When tropical forests are logged, additional CO2 is released into the atmosphere. D) As permafrost melts, more atmospheric CO2 will be absorbed.arrow_forward12)Net primary productivity group of answer choices a)is the rate at which producers manufacture chemical energy by photosynthesis minus the energy used in respiration b)is the rate at which producers use chemical energy through respiration. c)is the rate at which producers manufacture chemical energy through photosynthesis. d)is the rate at which producers manufacture chemical energy by respiration minus the energy used in photosynthesis e)relates to how many cars can be made per hour on an assembly line 13) The two most important factors that determine the different types of terrestrial biomes found in the world are: Group of answer choices a)Precipitation and temperature b)Light and wind c)Temperature and soil d)light and oxygen e)Wind and precipitationarrow_forwardPlants are classified as because they use for their carbon source. O A) autotrophs; CO2 B) autotrophs; glucose C) heterotrophs; CO2 D) phototrophs; CO2 E) heterotrophs; glucosearrow_forward
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