Natural Selection Crossword

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Across
  1. 2. a group of animals having same traits as a other animal
  2. 4. Selection delivering more off spring because of there area
  3. 6. blend in
  4. 7. not around any more
  5. 10. show his place in nature
  6. 12. a system of ideas use to explain something
Down
  1. 1. physical changes or principle through change
  2. 3. changing
  3. 5. changing structure of the gene
  4. 8. of Evolution how something changes
  5. 9. something gets use to something else
  6. 11. you get a trait from someone you are related to