QUIZ 1. What did Darwin mainly study in developing his theories of evolution? a. Turtles b. Apes c. Fish d. Birds Answer: d. Darwin studied differences in finch populations that conferred reproductive advantages to different types of finches by virtue of differences in the shapes of their beaks, allowing those that could eat certain things to survive and reproduce. 2. What is the greatest fact that must take place before a trait can be increased in a population of animals, allowing for evolutionary changes in a population? a. The trait must change during the individual’s lifetime. b. The trait must offer a reproductive advantage to the animal. c. The trait must be heritable. d. The trait must change the feeding characteristics of the animal. Answer: b. Regardless of the trait, it must offer some type of reproductive advantage so that the species is able to reproduce more readily than organisms that do not have the trait. This is the only way that the trait can grow and perpetuate over time and over subsequent generations. 3. What antibiotic has become much less useful over the years because of resistant microorganisms like MRSA? a. Penicillin b. Tetracycline c. Vancomycin d. Mupirocin
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