Brock Biology of Microorganisms (15th Edition)
15th Edition
ISBN: 9780134261928
Author: Michael T. Madigan, Kelly S. Bender, Daniel H. Buckley, W. Matthew Sattley, David A. Stahl
Publisher: PEARSON
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Chapter 20.9, Problem 2MQ
Summary Introduction
The branch of biology that studies the interactions between organism and their environment is called as ecology. It has a practical approach in wetland management, forestry, fisheries, natural
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Which of these statements describes an accurate model for how carbon dioxide and oxygen levels change within the ocean over time? Choose two answers that apply.
A) eutrophication of the ocean leads to an increase in dissolved oxygen.
B) photosynthesis by the phytoplankton increase the oxygen concentration of the ocean.
C) decomposition of dead organic matter decreases the oxygen concentration in the ocean.
D) cellular respiration by primary consumers increases the oxygen concentration in the ocean
E) anaerobic respiration at the ocean floor decreases the carbon dioxide levels in the ocean
Every type of organism in the upper ocean contributes to both recycling of organic matter and sinking of organic matter. Briefly describe 2 interactions between organisms that result in both the recycling and sinking of organic matter.
a) Interaction 1:
- Brief description of how this interaction results in both the recycling of organic matter in the upper ocean and the sinking of organic matter:
b) Interaction 2:
- Brief description of how this interaction results in both the recycling of organic matter in the upper ocean and the sinking of organic matter:.
what major ecological and economic services provide by marine system?
Chapter 20 Solutions
Brock Biology of Microorganisms (15th Edition)
Ch. 20.1 - Prob. 1MQCh. 20.1 - Prob. 2MQCh. 20.1 - Prob. 3MQCh. 20.1 - How does a microbial population differ from a...Ch. 20.1 - Prob. 1CRCh. 20.2 - Prob. 1MQCh. 20.2 - What is a biogeochemical cycle? Give an example...Ch. 20.2 - Prob. 1CRCh. 20.3 - Prob. 1MQCh. 20.3 - Prob. 2MQ
Ch. 20.3 - Prob. 1CRCh. 20.4 - Prob. 1MQCh. 20.4 - Prob. 2MQCh. 20.4 - Prob. 3MQCh. 20.4 - Prob. 1CRCh. 20.5 - Prob. 1MQCh. 20.5 - Prob. 2MQCh. 20.5 - Prob. 1CRCh. 20.6 - Which phylum of Bacteria dominates bacterial...Ch. 20.6 - What factors govern the extent and type of...Ch. 20.6 - Prob. 3MQCh. 20.6 - In what soil horizon are microbial numbers and...Ch. 20.7 - Prob. 1MQCh. 20.7 - Prob. 2MQCh. 20.7 - Prob. 3MQCh. 20.7 - Prob. 1CRCh. 20.8 - Prob. 1MQCh. 20.8 - Prob. 2MQCh. 20.8 - Prob. 3MQCh. 20.8 - Prob. 1CRCh. 20.9 - What did the Deepwater Horizon spill tell us about...Ch. 20.9 - Prob. 2MQCh. 20.9 - Why is release of sulfide from oxygen minimum...Ch. 20.10 - How does Ostreococcus differ from Prochlorococcus?...Ch. 20.10 - How does the organism Prochlorococcus contribute...Ch. 20.10 - How does Roseobacter differ from Prochlorococcus?Ch. 20.10 - Prob. 1CRCh. 20.11 - What is proteorhodopsin and why is it so named?...Ch. 20.11 - Prob. 2MQCh. 20.11 - Prob. 3MQCh. 20.11 - Why are dilute culture media used for isolating...Ch. 20.11 - Prob. 1CRCh. 20.12 - Prob. 1MQCh. 20.12 - What molecular adaptations are found in...Ch. 20.12 - Prob. 1CRCh. 20.13 - Prob. 1MQCh. 20.13 - Prob. 2MQCh. 20.13 - What alternative sources of energy are suggested...Ch. 20.13 - Deep-sea sediments show decreasing nutrient levels...Ch. 20.14 - How does a warm hydrothermal vent differ from a...Ch. 20.14 - Prob. 2MQCh. 20.14 - Prob. 3MQCh. 20.14 - Would you expect to find the same types of...Ch. 20 - Prob. 1AQCh. 20 - Prob. 2AQCh. 20 - Global warming has been suggested to result in...
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- What are some very productive marine environments, and why are they so productive?arrow_forwardHow does the ocean remove carbon dioxide from Earth’s atmosphere? What role do tiny marine organisms, such as foraminifera, play in the removal of carbon dioxide?arrow_forwardGasping for Oxygen Explain how each of the following contribute to dissolved oxygen decline in aquatic ecosystems: Rising water temperatures slowing streams organic pollutants/eutrophicationarrow_forward
- How does the Coriolis “Force” affect ocean productivity? How does it affect the world’s major fisheries?arrow_forwardDescribe three kinds of benthic marine communities that use hard sub-strates and three that use soft substrates. What are the main physical factors that separate community types within each substrate category?arrow_forwardWhat are the main physical resources and limitations of rocky intertidal zones? How do they define this community?arrow_forward
- The trophic levels found in this ecosystem are decomposers, producers, consumers, secondary consumers, and top predators. Which one of these converts light energy into chemical energy?arrow_forwardThe deep scattering layer is created by which of these: a) seasonal changes in the thermocline O b) mesopelagic nekton O c) abyssopelagic plankton O d) phytoplankton bloomsarrow_forwardHow is the concept of a niche useful to understanding distributions of organisms? A two-four sentence answer is all that is neededarrow_forward
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