Natural selection
Quiz by Ana Da Silva
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7 questions
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- Q1What is natural selection?The process by which organisms are artificially selected for desirable traitsThe process by which organisms choose their mates based on physical characteristicsThe process by which organisms randomly change in response to their environmentThe process by which organisms better adapted to their environment tend to survive and produce more offspring30s
- Q2What is an adaptation?A characteristic that is harmful to an organism's survivalA characteristic that helps an organism better survive and reproduce in its environmentA characteristic that is present in all living organismsA characteristic that is only present in humans30s
- Q3What is genetic variation?The process of producing gametes through meiosisThe process of producing offspring through sexual reproductionDifferences in DNA between individuals of a speciesThe process of producing offspring through asexual reproduction30s
- Q4What is the role of the environment in natural selection?The environment selects which organisms are better adapted to survive and reproduceThe environment determines which organisms will mate and produce offspringThe environment only affects physical traits, not genetic traitsThe environment has no role in natural selection30s
- Q5What is a gene pool?All the genes of a single individualAll the genes of an entire speciesAll the genes of all individuals in a populationAll the genes that are not expressed in an individual30s
- Q6What is genetic drift?The process by which new alleles are introduced into a populationRandom fluctuations in the frequency of alleles in a populationThe intentional selection of desirable traits through breedingThe process by which alleles are evenly distributed throughout a population30s
- Q7What is sexual selection?The selection of mates based on intelligenceThe selection of mates based on certain physical characteristicsThe selection of mates based on social statusThe selection of mates based on random chance30s