Fields of science

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Across
  1. 4. The study and treatment of human diseases.
  2. 6. The study of forces and energy.
  3. 7. The study of animals.
  4. 8. The study of living organisms.
Down
  1. 1. The study of microscopic organisms.
  2. 2. The study of plants.
  3. 3. The study of matter.
  4. 5. The study of ecosystems.