keywords unit 1

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Across
  1. 2. a supposition explanation made on the basis of limited evidence.
  2. 6. the act or process of reproducing
  3. 7. the action of breathing.
  4. 9. the process of increasing in physical size.
  5. 10. study of living things and their vital processes.
Down
  1. 1. a distinguishing trait
  2. 3. instrument that produces enlarged images of small objects.
  3. 4. is the process of eliminating or expelling waste matter.
  4. 5. located under the stage of the microscope
  5. 8. transformed into body tissues