Cp Biology 2 Final Exam Part C

20 Questions | Total Attempts: 80

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Cp Biology 2 Final Exam Part C

Questions and Answers
  • 1. 
    If an organism has a vestigial structure, that structure likely once had a function in a(n)
    • A. 

      Earlier ancestor.

    • B. 

      Close relative.

    • C. 

      Unrelated organism.

    • D. 

      Embryological stage.

  • 2. 
    Which of the following is a term for a group of similar organisms that can reproduce and produce fertile offspring?
    • A. 

      Individual

    • B. 

      Population

    • C. 

      Species

    • D. 

      Fossil

  • 3. 
    The difference in the physical traits of an individual from those of other individuals in a group is called a(n)
    • A. 

      Variation.

    • B. 

      Change.

    • C. 

      Adaptation.

    • D. 

      Species.

  • 4. 
    Which of the following is a fossil?
    • A. 

      A preserved trace of an dead organism.

    • B. 

      A group of similar organisms that can reproduce

    • C. 

      A structure or organ that no longer functions

    • D. 

      A plant that has recently died

  • 5. 
    What type of selection occurs when individuals in a population with the intermediate phenotype are selected for?
    • A. 

      Directional selection

    • B. 

      Stabilizing selection

    • C. 

      Intermediate selection

    • D. 

      Disruptive selection

  • 6. 
    The combined alleles of all the individuals in a population is called the ___.
    • A. 

      Allele frequency

    • B. 

      Gene pool

    • C. 

      Adaptation

    • D. 

      Phenotype frequency

  • 7. 
    Which effect of natural selection is depicted in the graph?
    • A. 

      Directional selection

    • B. 

      Disruptive selection

    • C. 

      Stabilizing selection

    • D. 

      Sexual selection

  • 8. 
    Which effect of natural selection is depicted in the graph?
    • A. 

      Disruptive selection

    • B. 

      Directional selection

    • C. 

      Stabilizing selection

    • D. 

      Sexual selection

  • 9. 
    Which effect of natural selection is depicted in the graph?
    • A. 

      Directional selection

    • B. 

      Disruptive selection

    • C. 

      Stabilizing selection

    • D. 

      Sexual selection

  • 10. 
    When a few individuals start a new colony, it most likely results in ...
    • A. 

      Genetic drift through the founder effect.

    • B. 

      More variety in the new population.

    • C. 

      Extinction due to the bottleneck effect.

    • D. 

      Mutation due to disruptive selection.

  • 11. 
    The movement of alleles from one population to another is called ___.
    • A. 

      The founder effect

    • B. 

      Microevolution

    • C. 

      Gene flow

    • D. 

      Genetic drift

  • 12. 
    Which of the five mechanisms of evolution is illustrated in the following scenario: A change in body color enabled animals to better hide from predators.
    • A. 

      Natural selection

    • B. 

      Gene flow

    • C. 

      Genetic drift

    • D. 

      Mutation

  • 13. 
    When a male bird of paradise displays its tail feathers, it is exhibiting ____ behavior.
    • A. 

      Intrasexual selection

    • B. 

      Intersexual selection

    • C. 

      Isolation

    • D. 

      Natural selection

  • 14. 
    When an individual ___ from its population, the genetic diversity of the population decreases.
    • A. 

      Emigrates

    • B. 

      Immigrates

    • C. 

      Isolates

    • D. 

      Mutates

  • 15. 
    ___ is a type of reproductive isolation in which differing mating rituals prevent individuals from different populations from mating.
    • A. 

      Geographic isolation

    • B. 

      Behavioral isolation

    • C. 

      Temporal isolation

    • D. 

      Intersexual isolation

  • 16. 
    ___ is a type of evolution in which organisms change in response to other organisms with which they have ecological relationships.
    • A. 

      Coevolution

    • B. 

      Convergent evolution

    • C. 

      Divergent evolution

    • D. 

      Deevolution

  • 17. 
    The process by which new species arise from prior species is known as ___.
    • A. 

      Divine creation

    • B. 

      Genetic anomaly

    • C. 

      Speciation

    • D. 

      Bottleneck effect

  • 18. 
    The differences between members of the same species are known as ___.
    • A. 

      Variations

    • B. 

      Adaptations

    • C. 

      Mutations

    • D. 

      Genetic isolation

  • 19. 
    A ___ is a group of individuals of the same species in the same geographic area.
    • A. 

      Species

    • B. 

      Population

    • C. 

      Breeding family

    • D. 

      Community

  • 20. 
    The process by which individuals that are better suited to their environment survive and reproduce more successfully than others is known as ___.
    • A. 

      Natural selection

    • B. 

      Sexual selection

    • C. 

      Genetic drift

    • D. 

      Gene flow

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