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AP Biology: Evolution

Quiz by Jennifer Faulknor

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48 questions
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  • Q1
    structures in different species that are similar because of common ancestry
    homologous structures
  • Q2
    remnants of features that served important functions in the the organism's ancestors
    vestigial structures
  • Q3
    the independent evolution of similar features in different lineages
    convergent evolution
  • Q4
    the frequencies of alleles and genotypes in a population will remain constant from generation to generation, provided that only Mendelian segregation and recombination of alleles are at work
  • Q5
    the aggregate of all of the alleles for all of the loci in individuals in a population
    gene pool
  • Q6
    a group of individuals of the same species that live in the same area and interbreed, producing fertile offspring
  • Q7
    a process in which organisms with certain inherited characteristics are more likely to survive and reproduce than are organisms with other characteristics
    natural selection
  • Q8
    changes in the gene pool due to random events
    genetic drift
  • Q9
    when a individuals become isolated from a larger population, this smaller group may establish a new population whose gene pool differs from the source population
    founder effect
  • Q10
    when there is a severe drop in population size, certain alleles may be overrepresented among the survivors, others may be underrepresented, and some may be absent altogether
    bottleneck effect
  • Q11
    the transfer of alleles into or out of a population due to the movement of fertile individuals or their gametes
    gene flow
  • Q12
    when conditions favor individuals exhibiting one extreme of a phenotypic range, thereby shifting the frequency curve for the phenotypic character in one direction or the other
    directional selection
  • Q13
    when conditions favor individuals at both extremes of a phenotypic range over individuals with intermediate phenotypes
    disruptive selection
  • Q14
    acts against both extreme phenotypes and favors intermediate variants
    stabilizing selection
  • Q15
    a form of natural selection in which individuals with certain inherited characteristics are more likely than other individuals to obtain mates
    sexual selection

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