vocab lesson 10

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Across
  1. 3. A famous naturalist that studies nature
  2. 5. legal
  3. 7. a chemical used to destroy plants or animals
  4. 9. The science of living organisms.\
  5. 12. very great
  6. 14. A person who studies nature
  7. 15. really liked
Down
  1. 1. A Branch of biology that focuses on animals.
  2. 2. unchangeable
  3. 4. things needed to do something
  4. 6. a section or division of a larger organization such as a government, a company, or a school
  5. 8. to focus on
  6. 10. growth in large numbers
  7. 11. Apposing arguments
  8. 13. Writing on a subject