BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
10th Edition
ISBN: 9781305967359
Author: STARR
Publisher: CENGAGE L
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Chapter 44, Problem 8SA
Summary Introduction
Introduction:
Global climate change is the result of human activities such as fossil fuel combustion that releases greenhouse gases, and deforestation. Scientists have observed high annual temperatures all over the Earth that cause changes in the distribution of ice, the salinity levels, and oceans temperatures.
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Melting of _____ does not contribute to sea level rise
a.
Greeland ice sheet
b.
Antarctic ice sheet
c.
glaciers
d.
iceberg
Unequal evaporation of seawater results in _________________________.
a. droughts
b. neither
c. both
d. flooding
Which of the following is an example of a weather event? a. The hurricane season lasts from June 1 through November 30. b. The amount of atmospheric CO2 has steadily increased during the last century. c. A windstorm blew down trees in the Boundary Waters Canoe Area in Minnesota on July 4, 1999. d. Deserts are generally dry ecosystems having very little rainfall.
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- Greenhouse gases_____ . a. slow the escape of heat energy from Earth into space b. are produced by natural and human activities c. are at higher levels than they were 100 years ago d. all of the abovearrow_forwardPermafrost underlies______ . a. arctic tundra c. boreal forest b. alpine tundra d. tallgrass prairiearrow_forwardDesertification 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_forward
- The primary producers in an ocean grazing food web are usually ________. a. plants b. animals c. fungi d. phytoplanktonarrow_forwardEarth’s largest carbon reservoir is______ . a. the atmosphere c. seawater b. sediments and rocks d. living organismsarrow_forwardWhen sedimentary rock is pushed up by a fault, a ____ mountain is formed A. Fault-block B. Folded C. Domearrow_forward
- Match the terms with the most suitable description. ___ tundra a. broadleaf forest near equator ___ chaparral b.partly enclosed by land; where ___ desert fresh water and seawater mix ___ savanna c. African grassland with trees ___ estuary d.low-growing plants at ___ boreal forest high latitudes or elevations ___ prairie e. dry shrubland ___ tropical rain f. at latitudes 30° north and south forest g.mineral-rich, superheated ___ hydrothermal water supports communities vents h.conifers dominate i. North American grasslandarrow_forwardAs greenhouse gas levels in the atmosphere decrease, global temperatures __________________________. a. increase b. stay the same c. decrease d. there is no correlationarrow_forwardConverting a prairie to a farm field is an example of ________. a. overharvesting b. habitat loss c. exotic species d. climate changearrow_forward
- Ocean acidification impacts __________________________. a. fishes b. marine ecosystems c. organisms with a calcium shell d. all ecosystemsarrow_forwardRemoving forests results in less stable ____. a.plantations b.development c.climate d.agriculture e.economic growtharrow_forwardA salmon has higher mercury levels than phytoplankton. This is due to______? A. Food-web magnification B. Bioaccumulation C. Biomagnification D. Persistent organic pollutionarrow_forward
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