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Biology Winter Final Review Exam

LizzieWF 20 perguntas 5,0 (1 avaliação) Atualizado em 19 fev 2016

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  1. 1What factors cause genetic drift?
    1. ANatural disasters
    2. BRandom mutation
    3. CMigration
    4. DThe evolution of an allele from recessive to dominant
  2. 2Gene flow is the flow of alleles into and out of a population over time
    1. AVerdadeiro
    2. BFalso
  3. 3What are Darwin's three principles about how natural selection occurs?
    1. AOrganisms inherit characteristics and traits from their parents and then produce their own offspring
    2. BOrganisms will always mutate and bring new traits into the gene pool which are selected based on usefulness
    3. COrganisms produce more offspring than will ultimately survive
    4. DOrganisms and offspring differ from each other because of the characteristics or variations they inherit
  4. 4Harmful mutations are removed from the gene pool via
    1. ANatural selection
    2. BOrganisms with those mutations are sterile
    3. CGenetic drift
    4. DOrganisms with those mutations die before they can reproduce
  5. 5If there is not enough variation in a species
    1. AAdvantageous or rare traits and alleles vanish from the population
    2. BGenetic diversity goes down
    3. CMore alleles are created in order to offset the lack of variation
  6. 6In the eighteenth century, which men reintroduced ideas about the evolution of animals?
    1. ACharles Darwin and Alfred Wallace
    2. BErasmus Darwin, Georges-Louis Leclerc, and Comte de Buffon
    3. CErasmus Darwin and Charles Darwin
    4. DErasmus Darwin and Alfred Wallace
  7. 7What is Charles Darwin's theory?
    1. AOffspring inherit traits from their parents and offspring with the most advantageous traits will be more likely to survive and procreate
    2. BOffspring inherit traits from their parents and the offspring who reproduce less are less fit
    3. CParents only pass on advantageous traits to their offspring, making natural selection a competition between the elite (in terms of genes)
    4. DTraits are neither advantageous or harmful, but are randomly passed down, similar to mutations
  8. 8Divergent evolution is where two completely unrelated species develop similar traits
    1. AVerdadeiro
    2. BFalso
  9. 9Homologous structure
    1. ACorresponds to divergent evolution
    2. BDescribes structures which are genetically related in two species who share a common ancestor
  10. 10Analogous structure describes similar structures in two genetically unrelated organisms
    1. AVerdadeiro
    2. BFalso

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Descrição
Quiz sobre Biology Winter Final Review Exam, criado por LizzieWF em 08-02-2015.
Idioma
English
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130
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Criado em 8 fev 2015 · atualizado em 19 fev 2016
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5,0 de 5 · 1 avaliação
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