Questions on Environment
Question 1 .4 out of 4 points Use the image below to answer the following question. The world 's average footprint per person is about 2.7 hectares per person. At that size, we are depleting our renewable resources 30% faster than they can replenish. The U.S. average footprint is 9.4 hectares, which is approximately __________ times larger than the average world footprint.
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Selected Answer: 3.5
Correct Answer: 3.5 . Question 2 .0 out of 4 points Which of the following statements is TRUE?
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Selected Answer: Bacteria represent a newer form of life, not present during the early prehistory of Earth.
Correct Answer: Species on Earth today are but a fraction of all the species that ever lived. . Question 3 .4 out of 4 points Ecosystem services are.;
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Selected Answer: economically valuable services provided by natural systems.
Correct Answer: economically valuable services provided by natural systems. . Question 4 .4 out of 4 points Which of the following statements about a controlled experiment is TRUE?
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Selected Answer: In a controlled experiment, the researcher controls for the effects of all variables except one.
Correct Answer: In a controlled experiment, the researcher controls for the effects of all variables except one. . Question 5 .4 out of 4 points River water held behind a dam is best described as a form of __________.
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Selected Answer: potential energy
Correct Answer: potential energy . Question 6 .4 out of 4 points Which of the following statements about a manipulative experiment is TRUE?
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Selected Answer: In a manipulative experiment, researchers manipulate the independent variable.
Correct Answer: In a manipulative experiment, researchers manipulate the independent variable. . Question 7 .4 out of 4 points The cumulative total and kind of living things on Earth are:
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Answer
Selected Answer: 3.5
Correct Answer: 3.5 . Question 2 .0 out of 4 points Which of the following statements is TRUE?
Answer
Selected Answer: Bacteria represent a newer form of life, not present during the early prehistory of Earth.
Correct Answer: Species on Earth today are but a fraction of all the species that ever lived. . Question 3 .4 out of 4 points Ecosystem services are.;
Answer
Selected Answer: economically valuable services provided by natural systems.
Correct Answer: economically valuable services provided by natural systems. . Question 4 .4 out of 4 points Which of the following statements about a controlled experiment is TRUE?
Answer
Selected Answer: In a controlled experiment, the researcher controls for the effects of all variables except one.
Correct Answer: In a controlled experiment, the researcher controls for the effects of all variables except one. . Question 5 .4 out of 4 points River water held behind a dam is best described as a form of __________.
Answer
Selected Answer: potential energy
Correct Answer: potential energy . Question 6 .4 out of 4 points Which of the following statements about a manipulative experiment is TRUE?
Answer
Selected Answer: In a manipulative experiment, researchers manipulate the independent variable.
Correct Answer: In a manipulative experiment, researchers manipulate the independent variable. . Question 7 .4 out of 4 points The cumulative total and kind of living things on Earth are:
Answer
References: Strickler, M. (1997, April 1). What are the 3 basic types of rocks? Retrieved March 10, 2013, from GeoMania Community College and Secondary Curriculum: http://jersey.uoregon.edu/~mstrick/AskGeoMan/geoQuerry13.html Withgott, J., & Brennan, S. (2011). Environment: The science behind the stories (4th ed.). Upper Saddle River, NJ: Prentice Hall. .Monday, April 1, 2013 1:15:47 PM CDT OK