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Unformatted text preview: 1 Bio 1B Evolution (Mishler) Practice questions Fall 2007 Answers are on the last page, but please don't peek till you've tried hard on the question 1. Evolution is often described as "the theme that ties together all aspects of biology." This is because the process of evolution A. explains how organisms become adapted to their environment. B. explains the diversity of organisms. C. explains why all organisms have characteristics in common. D. explains why distantly related organisms sometimes resemble one another. E. all of the above are appropriate answers. 2. Which of the following is not an example of an evolutionary adaptation : A. the cryptic appearance of the moth Abrostola trigemina , which looks like a broken twig. B. the appearance of the leafy sea dragon (a sea horse) which looks so much like the kelp (seaweed) in which it lives that it lures prey into the seeming safety of the kelp forest and then eats them. C. the long, broad wings of the red-tailed hawk that allow it to sustain a gliding flight over open country while it searches for prey with its keen eyes. D. the rounded body shape of the sargassum crab which resembles the floats of the brown alga Sargassum in which it lives. E. all of the above are examples of adaptations. 3. One example of coevolution is that between A. birds and bees. B. flowering plants and insects. C. dinosaurs and mammals. D. humans and other primates. E. worms and fishes. 4. Which of the following is not a fact or inference of Darwin's theory of evolution by natural selection? A. there is heritable variation among individuals. B. there is struggle for limited resources. C. individuals whose inherited characteristics best fit them to the environment will on average leave more offspring. D. offspring inherit characteristics acquired by their parents during the parents lifetime. E. all of the above are correct statements. 2 5. The idea that attributes acquired by an individual during its lifetime (for example, increased or decreased muscular strength due to more or less physical work) were passed on to the offspring is known as _________ and is attributed to _________. A. adaptation, Wallace. B. natural selection, Darwin. C. inheritance of acquired characteristics, Lamarck. D. genetics, Mendel. E. none of the above is correct. 6. Natural selection can be most closely equated with A. assortative mating. B. genetic drift. C. differential reproductive success. D. bottlenecking of a population. E. gene flow. 7. Which of the following elements of the writings of Malthus influenced Darwin? A. artificial selection B. differential reproductive success C. the potential for population growth exceeds what the environment can support D. species become better adapted to their local environments through natural selection E. favorable variations accumulate in a population after many generations of being perpetuated by natural selection 8 . Darwin's thinking about evolution was influenced by things that he observed on his voyage...
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This note was uploaded on 04/02/2008 for the course BIO 1B taught by Professor Carlson,mischel,power during the Spring '07 term at University of California, Berkeley.
- Spring '07