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Quiz

14.- Natural Selection

Gelöschter Nutzer 11 Fragen Aktualisiert am 7 Sep 2016

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Fragen in diesem Quiz (11)

  1. 1How the Industrial Revolution changed the proportion of colors in peppered moth?Bild zu Frage 1
    1. ABy changing the color of trunks
    2. BBy changing the color of moths
    3. CContaminating the environment
  2. 2What is genetic drift?Bild zu Frage 2
    1. AGuided changes in allele frequency
    2. BRandom changes in allele frequency
    3. CRandom changes in gene proportion
  3. 3Why the Darwin´s study of beak finches shape was so important?Bild zu Frage 3
    1. AIt was the first study of Darwin
    2. BThe study showed how finches had evolved
    3. CIt was an example of how finches had adapted to different environment
  4. 4What are the 4 main ideas of Darwin Natural Selection Theory?Bild zu Frage 4
    1. AIndividual variation ,heritable variations, adapted descendants and competition for resources
    2. BIndividual variation, heritable variations, adapted descendants and reproduction
    3. CIndividual variation, heritable variations, too many descendants and natural selection
  5. 5Can you explain the concept of “the struggle for existence”?Bild zu Frage 5
    1. ACompetition among living things for getting food
    2. BCompetition for resources needed to live
    3. CCompetition for reproduction and ensure the survival of the specie
  6. 6According to what Darwin said, is the following sentence true? “Natural selection favors the strongest ones”Bild zu Frage 6
    1. ARichtig
    2. BFalsch
  7. 7Who evolves, individual or population?Bild zu Frage 7
    1. AIndividual
    2. BPopulation
    3. CBoth
  8. 8Why Darwin was so worry about his family?Bild zu Frage 8
    1. ABecause he was very far away from them
    2. BInbreeding resulted in weaker and sickly descendant
    3. CInbreeding resulted in infertility
  9. 9Why giraffe´s neck has been growing throughout the evolution?Bild zu Frage 9
    1. ABecause of natural selection against short necks
    2. BBecause of natural selection for long necks
    3. CBecause of natural selection against long necks
  10. 10Smaller babies have more infectious problem and larger babies have problems at labour naturally. This is an example of:Bild zu Frage 10
    1. ANatural selection for extreme phenotypes
    2. BNatural selection against extreme phenotypes
    3. CNatural selection against medium phenotypes

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Beschreibung
https://www.khanacademy.org/science/biology/crash-course-bio-ecology/crash-course-biology-science/v/crash-course-biology-113
Autor
Gelöschter Nutzer
Sprache
English
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20
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Erstellt am 6 Sep 2016 · aktualisiert am 7 Sep 2016
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