A remote island was settled by a group of 50 people several hundred years ago. Today, no one on the island has green eyes. This is likely the result of
A. genetic drift.
B. spontaneous mutation.
C. Mendelian genetics.
D. fitness.
Answer: A
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Which term describes a style of communicating in which language is used primarily to label objects?
A. semantic style B. underextended style C. referential style D. overextended style
According to Schaie and colleagues (2004), what six circumstances tend to lessen cognitive decline in advanced late adulthood?
What will be an ideal response?
Regarding their visual capabilities, babies are able to recognize categories of objects that differ in shape and color as early as the age of
a. two months. b. six months. c. nine months. d. one year.
Charlotte lives in a neighborhood with a lower socioeconomic status. Wilhemina lives in a neighborhood with a higher socioeconomic status. Charlotte is more likely than Wilhemina to
a. do better in school. b. are more likely to engage in early sexual activity. c. are more likely to graduate high school. d. are more likely to attend college.