strand1 review

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Across
  1. 3. oxygen
  2. 4. chromosomes
  3. 7. selectively permeable
  4. 8. have many cells
  5. 10. evolution
  6. 12. ___________reticulum
  7. 14. brain of cell
  8. 16. dna
  9. 18. nutrients
  10. 19. water
  11. 20. animals
Down
  1. 1. smooth balloon like
  2. 2. smooth sausage shape contain chlorophyll
  3. 5. have single cell
  4. 6. membrane of the nucleus
  5. 9. jelly like fills space in cell
  6. 11. blood
  7. 13. cells
  8. 15. ___________organisms
  9. 17. thick rigid layer around cell membrane