F09_BIOL1010_B_midtermKey

Which of the following is the best example of

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Unformatted text preview: wind currents. rainfall. symbiosis. 5. A species is defined by A. B. C. D. E. comparison of genetic sequences. morphological similarities. the ability to mate and produce fertile offspring. biochemical and metabolic similarities. Any of the above could be used, depending on the nature of the organism. BIOL 1010 Section B Fall Midterm Test 3 6. Which of the following is the best example of evolution (as defined in Biology)? A. Lee’s excessive consumption of alcohol after retirement caused changes in her liver cells, leading to serious liver disease at the age of 76. B. A lake in Northern Alberta has larger populations of green algae than were present 10 years ago, as pollution caused some die ­offs of fish and other aquatic animals. C. A farmer finds a high ­yield wheat plant, keeps the seeds to grow the next year, and over 16 years, continues to keep/grow plants of high ­yield plants until 90% of his fields are this variety. D. Pat now works out regularly at the gym, and compared to 6 years ago when he started working out, is now highly muscled. 7. Comparing the (scientific meaning of) terms ‘hypothesis’ and ‘theory’, which of the following statements is true? A. There is no difference—the terms are interchangeable. B. A theory is a speculative statement to be tested; hypotheses are testable explanations supported by facts gathered over time. C. A hypothesis is a speculative stateme...
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This note was uploaded on 10/04/2013 for the course CHEM 1001 taught by Professor Hempstead during the Fall '08 term at York University.

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