vocab

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Across
  1. 6. a living thing
  2. 7. the production of an off spring
  3. 8. addition of mass
  4. 9. a group of organisms
  5. 10. study of nature
Down
  1. 1. process of change
  2. 2. arranged
  3. 3. the science of life
  4. 4. an explanation
  5. 5. a reaction to a stimulus