Branches of science

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Across
  1. 4. the study of the cell as a complete unit
  2. 8. the study of pollen
  3. 9. study of the chemical reactions required for life to exist and function
  4. 10. the study of plants
  5. 13. study of tissues
  6. 14. study of periodic events in living systems
  7. 15. study of ageing processes
Down
  1. 1. the study of plant diseases
  2. 2. study of the preservation, protection, or restoration of the natural environment, natural ecosystems, vegetation, and wildlife
  3. 3. scientific study of algae
  4. 5. core of the branches of science
  5. 6. the study of the development of the embryo (from
  6. 7. concerned with the nature and properties of matter and energy
  7. 9. Study of Life and Living Organisms
  8. 11. The Study of Matter
  9. 12. the study of organisms’ structures