Branches in Biology

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Across
  1. 3. naming and classification
  2. 5. grasses
  3. 9. birds
  4. 13. worms
  5. 14. trees
  6. 15. reptiles and amphibians
  7. 17. shelled animals
  8. 18. algae
  9. 19. external and internal structure
Down
  1. 1. heredity and variations
  2. 2. tissues
  3. 4. fossils
  4. 6. insects
  5. 7. functional processes
  6. 8. form
  7. 10. liverworts, hornworts
  8. 11. microorganisms
  9. 12. distribution
  10. 16. interrelationships of organisms and their environment
  11. 17. cells