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5 Written questions

5 Matching questions

  1. polygenic traits
  2. biogeography
  3. temporal isolation
  4. molecular clock
  5. fossils
  1. a traits that are controlled by two or more genes
  2. b preserved remains or traces of ancient organisms
  3. c the study of where organisms live now and where they and their ancestors lived in the past
  4. d uses mutation rates in DNA to estimate the time that two species have been evolving independently
  5. e form of reproductive isolation in which two or more species reproduces at the same time

5 Multiple choice questions

  1. a population or group of populations whose members can interbreed and produce fertile offspring
  2. nature provides the variations, and humans select those they find useful
  3. structures that are shared by related species and that have been inherited from a common ancestor
  4. inherited from ancestors but have lost much or all of their original function due to different selection pressures acting on the descendant
  5. takes place when individuals near the center of the curve have higher fitness than individuals at either end

5 True/False questions

  1. natural selectionthe process by which organisms with variations most suited to their local environment survive and leave more offspring

          

  2. genetic driftconsists of all the genes, including all the different alleles for each gene, that are present in the population

          

  3. founder effecthow well an organism can survive and reproduce in its environment

          

  4. gene poolconsists of all the genes, including all the different alleles for each gene, that are present in the population

          

  5. allele frequencywhen allele frequencies change as a result of the migration of a small subgroup of a population

          

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