"Natural selection" is a process by which
A) favorable traits become increasingly common in a population of interbreeding individuals, while traits that are unfavorable become less common.
B) animal breeders select animals in each generation that have the most "natural" traits to breed the next generation.
C) favorable traits become increasingly common in a population over the course of a single generation.
D) genetic mutations lead to random changes within a population of organisms.
Answer: A
Rationale: Natural selection is the process by which favorable traits become increasingly common in a population of interbreeding individuals, while traits that are unfavorable become less common. This is generally a very slow process and does not occur in a single generation.
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a. equally potent b. not necessarily filled in order to attain self-actualization c. arranged hierarchically d. only biological needs
One factor that determines cooperation is
a. the reward structure of the situation b. communication patterns c. effects of reciprocity d. all of the above
Which of the following refers to the conscious control of thoughts, emotions, and actions to accomplish goals or solve problems?
A. mnemonics B. working memory C. executive function D. décalage
Video Activity 11.2: Transition to Middle SchoolClick on the above link to access the Interactive eBook. Once you've signed in, scroll to page 338, and watch the video. When you've finished watching the video, come back to the test, and answer the following questions:How did Sophie and Andrew's transition to middle school compare to Richard and Cori's experiences?
A. Richard and Cori reported a more positive transition experience than Sophie and Andrew. B. All four adolescents viewed the transition as traumatic and difficult for the first few months. C. Compared to Richard and Cori, Sophie and Andrew reported very positive experiences with the transition. D. All four adolescents experienced significant declines in their grades, but they felt like they fit in with other students who were transitioning at the same time.