Which of the following are evolutionary changes that are not adaptive?
A) spandrels
B) exaptations
C) homologous structures
D) analogous structures
E) both B and C
Answer: A
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Women who scored high in need for achievement in college were
a. more likely to become businesswomen. b. more likely to become teachers. c. more likely to challenge the female stereotype. d. less likely to be restricted by their social environment.
Which of the following is a fundamental difference between the t statistic and a z-score?
a. The t statistic uses the sample mean in place of the population mean. b. The t statistic uses the sample variance in place of the population variance. c. The t statistic computes the standard error by dividing the standard deviation by n - 1 instead of dividing by n. d. All of these are differences between t and z.