living and nonliving

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Across
  1. 4. unit of living things- cell
  2. 5. breath through- stomata
  3. 7. breathes through- skin
  4. 8. of similar living organisms- species
Down
  1. 1. and plants that have one cell- unicellular
  2. 2. living thing- human being
  3. 3. of response- stimulus
  4. 6. of bacteria- 20 minutes