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Biology 1407- Exam 1 QUESTIONS WITH DETAILED VERIFIED ANSWERS (100% CORRECT ANSWERS) /ALREADY GRADED A+ Darwin and Wallace were the first to propose ________. A. that evolution occurs. B. a mechanism for how evolution occurs. C. that Earth is older than a few thousand years. D. natural selection as the mechanism of evolution. - Correct Answer D. natural selection as the mechanism of evolution. During a study session about evolution, one of your fellow students remarks, "The giraffe stretched its neck while reaching for higher leaves; its offspring inherited longer necks as a result." Which statement is most likely to be helpful in correcting this student's misconception? A. Characteristics acquired during an organism's life are generally not passed through genes. B. Spontaneous mutations can result in the appearance of new traits. C. Only favorable adaptations have survival value. D. Disuse of an organ may lead to its eventual disappearance. - Correct Answer A. Characteristi
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