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5 Written questions

4 Matching questions

  1. a species is defined as
    A. a population of organisms similar in size shape and color
    B. a group of organisms that live in the same habitat
    C. a population of organisms that are able to interbreed
    D. a population of organisms that have the same # of chromosomes
    E. a population of organismss with a common ancestor
  2. during which of the following periods could the population have been in HW E for the G locus?
    1 1960-1964
    2 1965-1972
    3 1973-1980

    A. 1 only
    B. 2 only
    C. 3 only
    D. 1 and 3 only
    E. 1, 2, and 3
  3. over ten inches of precipitation per year. long cold winters and short summers. dominant vegetation is gymnosperm
    A. tropical rain forest
    B. taiga
    C. arctic tundra
    D. temperate grassland
    E. desert
  4. some varieties of the bacteria, neisseria gonorrhoeae, are now resistant to penicillin, these varieties of bacteria most probably developed as a result of...
    A. selection
    B. hybrid vigor
    C. coevolution
    D. adaptive radiation
    E. convergent evolution
  1. a C
  2. b B
  3. c D
  4. d A

5 Multiple choice questions

  1. D
  2. B
  3. D
  4. D
  5. C

5 True/False questions

  1. for some traits such as birth weight, natural selection favors individuals that are average and the extremes are selected against this is known as:
    A. diversifying selection
    B. directional selection
    C. adaptive radiation
    D. disruptive selection
    E. stabilizing selection
    E

          

  2. greatest diversity of species
    A. tropical rain forest
    B. taiga
    C. arctic tundra
    D. temperate grassland
    E. desert
    A

          

  3. which of the following is a correct statement about mutations?
    A. they are a source of variation for evolution
    B. they drive evolution by creating mutation pressures
    C. theyre irreversible
    D. they occur in germ cells but not in somatic cells
    E. they are most often beneficial to the organissm in which they occur
    A

          

  4. lack of water common in summer; seasonal temp variations; maintained by periodic fires
    A. tropical rain forest
    B. taiga
    C. arctic tundra
    D. temperate grassland
    E. desert
    D

          

  5. all of the following are density-dependent factors that limit animal populations EXCEPT
    A. weather
    B. predation
    C. birthrate
    D. food competition
    E. mortality
    A