Emma's Bio Crossword

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Across
  1. 1. addition of mass to a living thing
  2. 6. last name of person who studied chimpanzees
  3. 7. a reaction
  4. 8. occurs in all living things
  5. 10. production of offspring
Down
  1. 2. arranged in an orderly way
  2. 3. process of natural changes
  3. 4. any inherited characteristics that results from change
  4. 5. the science of life
  5. 9. group of organisms that can breed with one another