Quiz
14.- Natural Selection
Perguntas do quiz (11)
1How the Industrial Revolution changed the proportion of colors in peppered moth?
- ABy changing the color of trunks
- BBy changing the color of moths
- CContaminating the environment
2What is genetic drift?
- AGuided changes in allele frequency
- BRandom changes in allele frequency
- CRandom changes in gene proportion
3Why the Darwin´s study of beak finches shape was so important?
- AIt was the first study of Darwin
- BThe study showed how finches had evolved
- CIt was an example of how finches had adapted to different environment
4What are the 4 main ideas of Darwin Natural Selection Theory?
- AIndividual variation ,heritable variations, adapted descendants and competition for resources
- BIndividual variation, heritable variations, adapted descendants and reproduction
- CIndividual variation, heritable variations, too many descendants and natural selection
5Can you explain the concept of “the struggle for existence”?
- ACompetition among living things for getting food
- BCompetition for resources needed to live
- CCompetition for reproduction and ensure the survival of the specie
6According to what Darwin said, is the following sentence true? “Natural selection favors the strongest ones”
- AVerdadeiro
- BFalso
7Who evolves, individual or population?
- AIndividual
- BPopulation
- CBoth
8Why Darwin was so worry about his family?
- ABecause he was very far away from them
- BInbreeding resulted in weaker and sickly descendant
- CInbreeding resulted in infertility
9Why giraffe´s neck has been growing throughout the evolution?
- ABecause of natural selection against short necks
- BBecause of natural selection for long necks
- CBecause of natural selection against long necks
10Smaller babies have more infectious problem and larger babies have problems at labour naturally. This is an example of:
- ANatural selection for extreme phenotypes
- BNatural selection against extreme phenotypes
- CNatural selection against medium phenotypes
11What's disruptive selection?
- ASelection against common traits
- BSelection for common traits
- CSelection for extreme traits without any change in the environment
Informações
- Descrição
- https://www.khanacademy.org/science/biology/crash-course-bio-ecology/crash-course-biology-science/v/crash-course-biology-113
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- English
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- Criado em 6 set 2016 · atualizado em 7 set 2016
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