Which theory best explains the finding that parents' lifespans predict those of their children, and identical twins share more similar lifespans than do fraternal twins?
A. aging immune system
B. cellular mutation
C. programmed genetics
D. free radicals
Answer: C
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Perceptual __________ involves long-lasting changes to the brain's perceptual system that improve our ability to respond to the environment.
A. memory B. adaptation C. learning D. cognition
When your initial attempts to solve a problem are unsuccessful, it is a good strategy to
a. remove unnecessary constraints. b. reevaluate your subgoals. c. represent the problem in a different way. d. switch to the trial-and-error approach.
Efforts that are aimed at a specific at risk subgroup are known as __________ interventions
Fill in the blanks with correct word
Jeremiah is 20 years old. Compared with his grandparents, who were between 18 and 24 years old in the 1960s, fewer of Jeremiah's friends between 18 and 24
A. are married and living in their own households. B. are living in their parents' households. C. want to attend college. D. expectto marry after college.