Test 3 - PRI TABLE VERSIO Test 3 You scored 81.04 out of...

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Test 3 You scored 81.04 out of 104.96 Question 1 Your answer is CORRECT. Which of the following statements about evolution is false ? A) Evolution depends on the genetic variability in a population. B) Evolution is a change over time in the genetic composition of a population of organisms. C) Evolution is about the formation of the most complex structures, since these are the only types that prove benefical to an organism. D) "Descent with modification" was Darwin's explanation of life which rejected the idea that species cannot change. E) A-D are all true statements, none are false. Question 2 Your answer is INCORRECT. Lamarck was correct in his A) theory of use and disuse concerning an organism's organs or other body parts. B) view that organisms can change in response to their environment. C) view that acquired traits could be passed on to offspring. D) theory of how giraffes evolved long necks. E) Lamarck was correct in all of A-D. Question 3 Your answer is INCORRECT. Which of the following did not influence Darwin in terms of formulating his theory of evolution? A) Breeding of animals directed by humans. B) The ancient view that life was unrelated and organized into a ladder from simple to complex forms. C) Malthus' essay on food supply and population growth.
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D) Geological evidence indicating the Earth was much older than 6000 years. E) All were influences on Darwin. Question 4 Your answer is INCORRECT. Natural selection acts on _______ variation; however, evolution depends on _______ variation. A) phenotypic; genetic B) genetic; phenotypic C) genetic; environmentally-induced D) environmentally-induced; phenotypic E) artificially-induced; genetic Question 5 Your answer is CORRECT. Which of the following statements are true about natural selection? A) Natural selection directs evolution by preserving traits acquired during an individual's lifetime. B) Natural selection creates mutations paving the way for new structures to evolve. C) Natural selection selects against favorable traits and selects for unfavorable traits. D) Natural selection allows only those that are the biggest and strongest to survive. E) None of A-D are true; all are false. Question 6 Your answer is INCORRECT. The following are true concerning adaptations except : A) are modifications of existing structures B) usually arise through mutation C) similar adapations can occur in very different species D) organism E) all (A-D) are true statements
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Question 7 Your answer is CORRECT. Human directed breeding to develop crops and animals with specific characteristics is termed: A) natural selection. B)
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This note was uploaded on 01/24/2011 for the course BIOL 1362 taught by Professor Loeblich during the Spring '08 term at University of Houston.

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Test 3 - PRI TABLE VERSIO Test 3 You scored 81.04 out of...

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