history of biology

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Across
  1. 4. classified orrganisms and studied their a anatomy
  2. 5. theory of evolution
  3. 6. developed the bionomial nomenclature system
  4. 8. established the principles of heredity and genetics
  5. 9. made significant contributions to the study of evolution and the classification of animals
Down
  1. 1. is known for his detailed study of human anatomy
  2. 2. diccovered the double-helix strucure DNA
  3. 3. proposed one of the first theories of evolution
  4. 7. discovered the circulation of blood
  5. 8. studied anatomy through dissections of animmals