Section:__________ (1 pt.) NATS 104 Spring, 2002
                                                                                                          Science Atoms Molecules
NAME:__________________________________             10 points - Quiz 4

1. The biological process by which the frequency of a trait or allele increases or decreases in response to environmental factors.
          a. directional selection
          b. disruptive selection
          c. microevolution
          d. natural selection
          e. stabilizing selection

2. The biological process by which the frequency of intermediate traits increases and extreme traits decrease in response to environmental factors.
          a. directional selection
          b. disruptive selection
          c. microevolution
          d. natural selection
          e. stabilizing selection

3. The biological process by which the frequency of extreme traits increases and intermediate traits decrease in response to environmental factors.
          a. directional selection
          b. disruptive selection
          c. microevolution
          d. natural selection
          e. stabilizing selection

4. The biological process by which the frequency of traits or alleles shift toward one extreme in response to environmental factors.
          a. directional selection
          b. disruptive selection
          c. microevolution
          d. natural selection
          e. stabilizing selection

5. The biological process resulting from the differential survival and reproduction of individuals possessing favorable traits or alleles
          a. directional selection
          b. disruptive selection
          c. microevolution
          d. natural selection
          e. stabilizing selection