Biology

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Across
  1. 5. British naturalist
  2. 6. tiny organisms
  3. 7. a living thing
  4. 11. the young of a particular organism
  5. 12. the study of organisms
Down
  1. 1. studied aboard the hms beagle
  2. 2. scientist who specializes in microbiology
  3. 3. American biologist, determined structure of DNA
  4. 4. combined DNA molecules from two organisms
  5. 8. someone who studies plants and/or animals
  6. 9. scientist who specializes in biology
  7. 10. the study of microbes