BIOL 1001 WEEK 5 EXAM WITH QUESTIONS AND ANSWERS - KEISER UNIVERSITY.Which of the following describes natural selection? Correct Answer: d. A population of mammals varies in the length of th... eir legs, water levels rise, and the habitat becomes swampy. The individuals with shorter legs are better able to swim to food, and the population evolves to become shorter-legged. As natural selection acts on a population, the amount of variation in the population should: Correct Answer: b. Decrea se Which of the following is not a way in which the theory of evolution has been supported? Correct Answer: e. None of the above. In 1980, only 1% to 5% of all Staphylococcus aureus isolates were MRSA strains. Now 60% to 70% of S. aureus isolates are MRSA strains. This is an example of: Correct Answer: a. Directional selection of [Show More]
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