BIOLOGY
12th Edition
ISBN: 9781260169614
Author: Raven
Publisher: RENT MCG
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Chapter 57, Problem 5U
Summary Introduction
Introduction:
The oligotrophic lake is a lake having low primary productivity because of low organic nutrients. Due to low nutrient, the growth of algae or other organism is low. The oligotrophic lake contains very clear and flowing water (lotic water ecosystem). The dissolved oxygen content in oligotrophic lake is high from surface to bottom.
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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.
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.
Which of the following serves as evidence of water pollution?
a
an abundance of water plants in lakes
b
increase in temperature
c
indicator species
d
carbon sinks
Chapter 57 Solutions
BIOLOGY
Ch. 57.1 - Prob. 1LOCh. 57.1 - Prob. 2LOCh. 57.1 - Prob. 3LOCh. 57.2 - Prob. 1LOCh. 57.2 - Explain the primary factors that determine which...Ch. 57.3 - Prob. 1LOCh. 57.3 - Prob. 2LOCh. 57.3 - Prob. 3LOCh. 57.4 - Prob. 1LOCh. 57.4 - Prob. 2LO
Ch. 57.5 - Prob. 1LOCh. 57.5 - Differentiate between point-source pollution and...Ch. 57.5 - Prob. 3LOCh. 57.5 - Prob. 4LOCh. 57.6 - Prob. 1LOCh. 57.6 - Prob. 2LOCh. 57 - Prob. 1DACh. 57 - Prob. 2DACh. 57 - Prob. 1IQCh. 57 - Prob. 2IQCh. 57 - 1. The Coriolis effect a. drives the rotation of...Ch. 57 - What two factors are most important in biome...Ch. 57 - In a rain shadow, air is cooled as it rises and...Ch. 57 - Thermal stratification in a lake a. is not...Ch. 57 - Prob. 5UCh. 57 - Deep-sea hydrothermal vent communities a. get...Ch. 57 - Prob. 7UCh. 57 - Which of the following is a point source of...Ch. 57 - If the Earth were not tilted on its axis of...Ch. 57 - Prob. 2ACh. 57 - If a pesticide is harmless at low concentrations...Ch. 57 - Prob. 4ACh. 57 - Discuss how figure 58.1 explains the pattern...Ch. 57 - Prob. 2SCh. 57 - If the world has experienced global warming many...Ch. 57 - What can be done to prevent new diseases from...
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- Explain(in terms of biological or chemical impacts on aquatic ecosystems) why plant nutrients usually are the worst kinds of water pollutants. The term B.O.D. should be part of your answer.arrow_forwardEutrophication 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.arrow_forwardWhich 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_forward
- Explain why a temperate zone lake turns over in spring and fall,and the effect that this turnover has on primary production.arrow_forwardThe producer in an ocean grazing food web is usually a _____. a. plant b. animal c. fungi d. planktonarrow_forwardPollutant released due to human activities (like effluents from industries and homes) can radically accelerate the ageing process of the water body .(a) Explain how does this process occurs during natural ageing of lake.(b) Give the term used for accelerated ageing of water bodies. Also give the term used for the natural ageing of lake.arrow_forward
- You are a commercial developer, and you were asked to develop a golf course on what is presently forested land next to a reservoir used for city water. Describe the impacts this development might have on water quality in the reservoir. (HINT: think of pollution from clearing the land as well as growing grass for the golf course)arrow_forwardExplain how streams can cleanse themselves ofoxygen-demanding wastes and how these cleansing processes can be overwhelmed. What is wastewater? Describe the state of stream pollution inmore-developed and less-developed countries.Give two reasons why lakes and reservoirs cannotcleanse themselves of pollutants very well. Define and distinguish between eutrophication and cultural eutrophication. List three ways to prevent orreduce cultural eutrophication. What are the majorsources of groundwater contamination in the UnitedStates? Explain why groundwater cannot cleanseitself very well. List three ways to prevent or cleanup groundwater contamination. List some ways topurify drinking water. Describe the purification ofdrinking water in more-developed and less-developedcountries. Describe environmental problems causedby the widespread use of bottled water. How are lawsused to protect drinking water in the United States?List three ways to strengthen the U.S. Safe DrinkingWater Act. Describe how…arrow_forwardReview the images of the two biomes, the tundra and the taiga. Notice that while there are about 1,700 kinds of plants, there are virtually no tree species in the tundra. Which limiting factor prevents the immigration of tree species into the tundra? Responses A rocky, poor soil rocky, poor soil B very short growing season very short growing season C the presence of permafrost the presence of permafrost D winters are six months longarrow_forward
- When the sulfur dioxide released from burning fossil fuels reacts with water vapor in clouds, sulfuric acid forms. a. Is sulfuric acid a primary or secondary pollutant? b. Is the pollution in this example point or non-point? C.Is the pollution in this example acute or chronic?arrow_forwardYoung lakes are often clear and with little plant life. Such lakes arecalleda. oligotrophic.b. eutrophic.c. lotic.d. lentic.e. pelagic.arrow_forwardUnder what conditions would you expect the lowest NPP in a terrestrial ecosystem? a)Cool temperatures, high precipitation b)Warm temperatures, low precipitation c)Cool temperatures, low precipitation d)Warm temperatures, high precipitationarrow_forward
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