Section 1.1

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Across
  1. 4. reaction to a stimulus
  2. 8. living things display
  3. 9. a group of organisms that can breed with each other
  4. 10. anything that is part of the environment
Down
  1. 1. the science of life
  2. 2. addition of mass
  3. 3. production of life
  4. 5. any inherited characteristic that results from changes
  5. 6. process of natural changes
  6. 7. anything that has the characteristics of life