Mr. Wilson Doing the Most Again

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Across
  1. 4. rare and unexpected change in a gene code
  2. 6. traits changing with the environment
  3. 7. all living things are made of
Down
  1. 1. functions inside organisms. where traits come from
  2. 2. something unique about an organism
  3. 3. instructions for cells
  4. 5. a statement about something you believe