Which of the following statements best describes the effects of natural selection?
Species are eliminated, or "selected," one-by-one over thousands of years, and no new species are developed.
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New species are naturally developed only every 2,000 years, and all previously existing species die out.
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Species change over short periods of time, in spurts, and this change occurs roughly every 1,000 years.
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Species change little by little with each generation, and over a long period of time they can develop into new species.
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Species change little by little with each generation, and over a long period of time they can develop into new species.
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What is the approximate average survival time of a patient diagnosed with Alzheimer's disease major neurocognitive disorder?
A. 4 years B. 8 years C. 15 years D. 20 years
One of the primary problems with the use of hypnosis to help eyewitnesses recall crimes is
a. hypnotism does not really work. It is just a sham that has been debunked by modern cognitive scientists. b. hypnotists can induce witnesses to report things they never saw, or to report incorrectly. c. no one can tell whether or not a person is actually hypnotized, or just faking it. d. hypnotism is only effective within the first 24 hours after the incident.
An eating disorder characterized by eating binges that are often followed by self-induced vomiting is called:
a) anorexia nervosa. b) bulimia nervosa. c) hormone under secretion. d) leptin reduction.
Students from South Korea tend to perform better on tests of math aptitude compared to similar aged students in France. Given this difference in performance, what other difference is also likely to be observed?
A. Students in France will have a greater belief in their math ability. B. Students in South Korea will have a greater belief in their math ability. C. Students in France will score higher on tests of emotional intelligence. D. Students in South Korea will score higher on tests of emotional intelligence.