Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN: 9781305389892
Author: Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher: Cengage Learning
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Chapter 51, Problem 9TYK
Summary Introduction
Introduction:
The lakes in the temperate zone undergo frequent and seasonal variation in temperature. This causes different layers to be formed with varied temperatures. This temperature difference also promotes mixing of nutrients and gases.
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Lake turnover in temperate locations results in:
Group of answer choices
A. freezing of water from the bottom of the lake up to the top.
B. loss of organisms living in a lake.
C. stagnation of water and diversity of anaerobic organisms in the lake.
D. decrease of oxygen and nutrients throughout the lake.
E. mixing of oxygen and nutrients throughout the lake.
Oligotrophic lakes have
a. low oxygen, and high nutrient availability.
b. high oxygen, and high nutrient availability.
c. high oxygen, and low nutrient availability.
d. low oxygen, and low nutrient availability.
Eutrophication in water bodies can lead to the formation of dead zones due to a depletion of
a.
oxygen.
b.
carbon.
c.
nitrogen.
d.
decomposers.
e.
phosphorus.
Chapter 51 Solutions
Biology: The Dynamic Science (MindTap Course List)
Ch. 51.1 - Why are studies of ecosystems more inclusive than...Ch. 51.1 - Prob. 2SBCh. 51.2 - Prob. 1SBCh. 51.2 - Prob. 2SBCh. 51.2 - Prob. 3SBCh. 51.2 - Prob. 4SBCh. 51.3 - Prob. 1SBCh. 51.3 - Prob. 2SBCh. 51.4 - Prob. 1SBCh. 51.4 - Prob. 2SB
Ch. 51.4 - Prob. 3SBCh. 51.4 - Prob. 4SBCh. 51.5 - Prob. 1SBCh. 51.5 - Prob. 2SBCh. 51.5 - Prob. 3SBCh. 51.6 - Prob. 1SBCh. 51.6 - Prob. 2SBCh. 51.6 - Prob. 3SBCh. 51.6 - Prob. 4SBCh. 51.6 - Prob. 5SBCh. 51 - Prob. 1TYKCh. 51 - Prob. 2TYKCh. 51 - Prob. 3TYKCh. 51 - Prob. 4TYKCh. 51 - Prob. 5TYKCh. 51 - The major source of nutrients in the headwaters of...Ch. 51 - Which biome experiences the highest annual...Ch. 51 - From which biome are trees excluded by periodic...Ch. 51 - Prob. 9TYKCh. 51 - Prob. 10TYKCh. 51 - Prob. 12TYKCh. 51 - Prob. 13TYKCh. 51 - Prob. 1ITDCh. 51 - Prob. 2ITDCh. 51 - Prob. 3ITD
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- Allof the following statements concerning oligotrophic lakes are true, except:a.warm temperatures.b.low nutrients.c.high oxygen content.d.deep and clear waters.e.low biological productivity.arrow_forwardThermal stratification in a lake a. is not modified by fall and spring overturn. b. leads to higher oxygen in deep versus surface waters. c. leads to higher oxygen in surface versus deep waters. d. is reduced when ice forms on the surface of the lake.arrow_forwardThelargest reservoir of phosphorus in most ecosystems is phosphorus:a. inthe atmosphere.b.dissolved in water.c. inrocks and sediments.d.bound in animal tissues.e.bound in plant tissues.arrow_forward
- Explain how nutrient-rich runoff can cause waters to become hypoxic.arrow_forwardYoung lakes are often clear and with little plant life. Such lakes arecalleda. oligotrophic.b. eutrophic.c. lotic.d. lentic.e. pelagic.arrow_forwardWhich of the following does not vary predictably with the depth of the aquatic environment? a. dissolved oxygen c. penetration by sunlight b. temperature d. salinityarrow_forward
- Flux of anthropogenic Phosphorous from terrestrial to aquatic ecosystems can have negative effects, such as A. Eutrophication B. Ocean acidification C. Acid rain D. Both A and C E. A, B and Carrow_forwardMost of the fresh water in the world is used fora. drinking. b. supporting industry.c. irrigating crops.d. cooking.e. bathing.arrow_forwardDiscuss three significant impacts of acid deposition on freshwater and forest ecosystemarrow_forward
- Which of the statements about freshwater distribution and use is correct?a. Freshwater supplies are evenly distributed throughout the world.b. About 10% of the world’s water is freshwater.c. The supply of freshwater can limit the carrying capacity of a region.d. Freshwater supplies generally are unaffected by the water cycle.arrow_forwardTerrestrial NPP a. generally increases with temperature. b. does not vary with precipitation. c. is high when soils are low in nutrients. d. is high in dry regions.arrow_forwardExplain how streams can cleanse themselves andhow these cleansing processes can be overwhelmed.What is wastewater? Describe the state of streampollution in more- and less-developed countries.Give two reasons why lakes cannot cleanse themselves as readily as streams can. Distinguish betweeneutrophication and cultural eutrophication. Listways to prevent or reduce cultural eutrophication.Explain why groundwater cannot cleanse itself verywell. What are the major sources of groundwatercontamination in the United States? List ways to prevent or clean up groundwater contamination. Listsome ways to purify drinking water. Describe the environmental problems caused by the widespread useof bottled water.arrow_forward
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