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  1. 5. mutations are alterations in the gene after it has come in contact with mutagens and environmental causes
  2. 7. speciation by geographic isolation
  3. 8. the permanent alteration of the nucleotide sequence of the genome of an organism
  4. 9. evolution mover
  1. 1. process of natural selection
  2. 2. speciation in which a new species is formed from an isolated peripheral population
  3. 3. the primary model of allopatric speciation
  4. 4. mutations occur with non-zero probability even given a healthy, uncontaminated cell
  5. 6. mutation occurs when changing...