B15

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Across
  1. 3. Consisting of one cell
  2. 5. Thin layer surrounding a structure
  3. 7. Systematic investigation
  4. 8. Enlargement of an image
  5. 12. New scientific finding
  6. 13. Cell containing a nucleus
  7. 14. Material inside a cell
  8. 15. Ability to distinguish details
  9. 16. Cell lacking a nucleus
Down
  1. 1. Consisting of many cells
  2. 2. Instrument used to magnify objects
  3. 4. Standard scientific measurement system
  4. 6. Determining size or quantity
  5. 9. Nonliving environmental factor
  6. 10. Living component of an ecosystem
  7. 11. Application of scientific knowledge