BIOLOGY
12th Edition
ISBN: 9781260169614
Author: Raven
Publisher: RENT MCG
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Textbook Question
Chapter 57, Problem 4U
Thermal 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.
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Students have asked these similar questions
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.
Young lakes are often clear and with little plant life. Such lakes arecalleda. oligotrophic.b. eutrophic.c. lotic.d. lentic.e. pelagic.
Terrestrial 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.
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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- 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.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_forwardLakes and ponds that exhibit high levels of eutrophication typically are affected by too much A. Dissolved oxygen B. Nitrogen C. Carbon dioxide D. Sulfurarrow_forward
- Which of the following does not vary predictably with the depth ofthe aquatic environment?a. dissolved oxygen b. temperature c. penetration by sunlight d. salinityarrow_forwardMarine animals and algae that live in the high intertidal zone of rocky shores are most frequently impacted by which factor? a. Desiccation b. Lower temperatures c. Absence of freshwater d. Greater competition e. All of the abovearrow_forwardWhich of the statements about groundwater is NOT accurate? a. In the United States, groundwater provides 50% of the population with drinking water. b. Groundwaters are being depleted faster than they can be recharged. c. Groundwaters are becoming increasingly polluted. d. Removal of pollutants from groundwaters is easily achieved.arrow_forward
- Which of the following statements could explain why sometimes when there are clouds in the sky there is no water falling from the clouds? Group of answer choices a. Sometimes the water droplets in the clouds are not heavy enough to fall from the clouds. b. Sometimes the cloud is not in the right location to release rain. c. Sometimes clouds do not have any water in them. d. Sometimes there is not enough wind to release the water droplets from the clouds.arrow_forwardOligotrophic 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.arrow_forwardA. The weathering and erosion in the area happens deep under the soil so the area looks unaffected B. Less sediment flows into the area because the vegetation soaks up all the water and makes its drier. C .the high amount of vegetation in the area causes more roots to hold the soil in place against weathering. D. The high amount of vegetation in the area causes an increase in oxygen causing stronger more stable soil.arrow_forward
- Desertification typically happens becausea. deserts naturally expand in size.b. humans allow overgrazing.c. desert animals wander into adjacent areas for food.d. humans tap into limited water supplies for their water needs in the nearby desert.arrow_forwardBiological magnification occurs whena. pollutants increase in concentration in tissues at higher trophic levels.b. the effect of a pollutant is magnified by chemical interactions within organisms.c. an organism is placed under a dissecting scope.d. a pollutant has a greater than expected effect once ingested by an organism.arrow_forwardRegions with large amounts of precipitation and freshwater runoff are associated with higher salinity levels. A. TRUE B. FALSEarrow_forward
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