Evolution - Natural Selection Notes Review Entire

32 Questions | Total Attempts: 93

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Evolution - Natural Selection Notes Review Entire


Questions and Answers
  • 1. 
    Which choices are mechanisms of evolution?
    • A. 

      Natural selection

    • B. 

      Migration

    • C. 

      Mutation

    • D. 

      Genetic drift

    • E. 

      Fossil evidence

    • F. 

      Analogous structures

  • 2. 
    What are the 3 conditions for natural selection to occur?
    • A. 

      More organisms are produced than can survive and reproduce.

    • B. 

      The fittest individuals are more likely to survive and reproduce.

    • C. 

      Humans must be able to control breeding practices.

    • D. 

      There must be variation within a species, and some of those variations must be better adapted to a particular environment.

  • 3. 
    What is an adaptation?
    • A. 

      A heritable trait that increases the ability to survive and reproduce in an environment

    • B. 

      A heritable trait that does not affect the ability to survive and reproduce in an environment

    • C. 

      A heritable trait that increases the ability to survive and reproduce in ALL environments

  • 4. 
    Mimicry is an adaptation where
    • A. 

      An organism imitates the environment in an effort to blend in and hide

    • B. 

      One organism imitates a more dangerous organism

    • C. 

      An organism has a behavior that allows it to better survive

  • 5. 
    Camouflage is an adaptation where
    • A. 

      An organism imitates the environment in an effort to blend in and hide

    • B. 

      One organism imitates a more dangerous organism

    • C. 

      An organism has a behavior that allows it to better survive

    • D. 

      Animals bury their heads in sand

  • 6. 
    Some behaviors are inherited and are more or less likely to help an organism survive.
    • A. 

      True

    • B. 

      False

  • 7. 
    What is fitness?
    • A. 

      Ability to survive and reproduce in a given environment

    • B. 

      Ability to survive in a given environment - reproduction is not a part of the definition

    • C. 

      Ability to survive and reproduce in all environments

  • 8. 
    Which organisms will be survive and reproduce if natural selection is working?
    • A. 

      Organisms with variations that farmers choose as most desirable

    • B. 

      Organisms with variations most suited to their environment

    • C. 

      Organisms who are biggest

  • 9. 
    What is the difference between artificial selection and natural selection?
    • A. 

      The difference is who chooses which organisms reproduce: in artificial, it is a person, in natural, it is the environment.

    • B. 

      One occurs only in laboratories, although it mimics what happens in the natural world

    • C. 

      Artificial selection is fake and natural selection is real

  • 10. 
    Natural selection works on both inherited and acquired (non-inherited) traits.  
    • A. 

      True

    • B. 

      False

  • 11. 
    What is fit never changes.
    • A. 

      True

    • B. 

      False

  • 12. 
    Natural selection strives to make the perfect organism.
    • A. 

      True

    • B. 

      False

  • 13. 
    Since all species descended from a common ancestor, why are all species different?  Because of
    • A. 

      Descent with modification.

    • B. 

      Human involvement.

    • C. 

      Luck and chance.

    • D. 

      Artificial selection.

  • 14. 
    What makes up a gene pool?
    • A. 

      All the alleles (forms of genes) in a population

    • B. 

      Number of times a particular genotype occurs

    • C. 

      Lots and lots of water, cement, chemicals, and bathers

  • 15. 
    What is an allele frequency?
    • A. 

      All the alleles (forms of genes) in a population

    • B. 

      Number of times a particular genotype occurs

    • C. 

      How common desirable traits are in a population

  • 16. 
    A change in an individual is evolution.
    • A. 

      True

    • B. 

      False

  • 17. 
    A change in allele frequency within a population is evolution.
    • A. 

      True

    • B. 

      False

  • 18. 
    Mutations are
    • A. 

      Usually harmless or harmful, but can sometime be beneficial.

    • B. 

      Always harmful.

    • C. 

      Usually harmless or harmful; never beneficial.

  • 19. 
    Mutation is a mechanism of evolution.
    • A. 

      True

    • B. 

      False

  • 20. 
    Since mutations create variation, mutations provide raw material for natural selection.
    • A. 

      True

    • B. 

      False

  • 21. 
    Sexual reproduction creates variation, which is raw material for natural selection.
    • A. 

      True

    • B. 

      False

  • 22. 
    Genetic drift occurs in _________ populations, rather than ________ populations.  
    • A. 

      Large small

    • B. 

      Small large

    • C. 

      Human bacteria

  • 23. 
    Genetic drift is evidence of evolution, rather than a mechanism of evolution.
    • A. 

      True

    • B. 

      False

  • 24. 
    Genetic drift is random.  
    • A. 

      True

    • B. 

      False

  • 25. 
    Is [your statement here] true or false?
    • A. 

      True

    • B. 

      False

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