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5 Written questions

5 Multiple choice questions

  1. the internal and external structure and appearance of an organism
  2. individuals that display a more extreme form of a trait have greater fitness than individuals with an average form of the trait
  3. individuals with either extreme variation of a trait have greater fitness than individuals with the average form of the trait
  4. the idea that speciation occurs at a regular, gradual rate
  5. individuals with the average form of a trait have the highest fitness

5 True/False questions

  1. biological species concepta species is a population of organisms that can succesfully interbreed but cannot breed with other groups

          

  2. sexual selectionindividuals that display a more extreme form of a trait have greater fitness than individuals with an average form of the trait

          

  3. geographic isolationthe physical separation of members of a population

          

  4. genetic driftthe phenomenon by which allele frequencies in a population change as a result of random events, or chance

          

  5. speciationthe movement of individuals into a population