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5 Written questions

5 Matching questions

  1. adaptation
  2. stabilizing selection
  3. genetic drift
  4. temporal isolation
  5. evolution
  1. a form of reproductive isolation in which two or more species reproduces at the same time
  2. b the process of change over time
  3. c random change in allele frequency caused by a series of chance occurrences that cause an allele to become more or less common in a population
  4. d any heritable characteristic that increases an organism's ability to survive and reproduce in its environment
  5. e takes place when individuals near the center of the curve have higher fitness than individuals at either end

5 Multiple choice questions

  1. the formation of a new species
  2. nature provides the variations, and humans select those they find useful
  3. separation of a species or population so that they no longer interbreed and evolve into two separate species
  4. occurs when individuals at the outer ends of the curve have higher fitness than individuals near the middle of the curve
  5. uses mutation rates in DNA to estimate the time that two species have been evolving independently

5 True/False questions

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

          

  2. polygenic traitsa trait controlled by only one gene

          

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

          

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

          

  5. behavioral isolationform of reproductive isolation in which two or more species reproduces at the same time

          

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