What percent of women experience severe distress during menopause?
A. 10 percent
B. 25 percent
C. 37 percent
D. 42 percent
Answer: A
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According to your text, what factor do biologists emphasize as the MOST important to natural selection?
a. survival b. mutation c. situation d. reproduction
What explains the apparent stimulation, feeling of well-being, and outgoing behavior as the initial effects of alcohol ingestion?
a. Depression of the inhibitory centers in the brain b. Activation of the inhibitory centers in the brain c. Depression of the autonomic nervous system d. Stimulation of the autonomic nervous system
What is one major reason that many studies have failed to demonstrate consistency of behavior related to traits across situations?
a) Researchers continue to have difficulty measuring traits. b) There is little consistency between traits and behaviors. c) Researchers are biased against the notion of consistency. d) Researchers typically have looked at a single behavior in a single situation.
Twin studies
a. cannot be used to study polygenic traits such as intelligence. b. are based on the assumption that monozygotic twins are not more similar genetically than dizygotic twins. c. are based on the assumption that heredity influences a trait if identical twins are more alike than fraternal twins. d. often underestimate the influence of heredity because identical twins may have more similar environments than fraternal twins.