Human skin "color" is influenced by:
A. the texture of the skin.
B. an individual's physical structure.
C. the thickness of the skin.
D. an individual's blood group.
Answer: C
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In the context of social groups, dominance hierarchies
a. are maintained by females only. b. are maintained by males only. c. are present in all primate species. d. impose a certain amount of order within the group. e. have not been studied by primatologists.
This chapter discusses outsourcing jobs to countries outside the United States. What is one outcome of this process?
A. fewer jobs in the U.S., as they are replaced by machines and outsourced jobs B. corporations realizing the importance of workers' rights C. more incentives for illegal immigration D. decreased profits for U.S. corporations E. an increase in union membership within the U.S.
What is shifting cultivation?
What will be an ideal response?
Which of the following statements is FALSE?
a. Sickle-cell anemia can result in impaired blood circulation. b. Individuals with sickle-cell anemia inherited an abnormal allele from each parent that causes the production of an altered form of hemoglobin. c. People with sickle-cell trait are as severely affected as those with sickle-cell anemia. d. The abnormal form of hemoglobin in people with sickle-cell anemia is called hemoglobin S. e. The mutation that results in sickle-cell anemia affects the hemoglobin beta chain.