Biology

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Across
  1. 2. sister chromatids stretchs out into thin chromastin
  2. 3. chromatin thickens and coils up
  3. 4. sister chromatids separate
  4. 5. structures in the nucles that contain the genetic information
  5. 7. stores calcium
  6. 9. sends messages and coordinate activity of the body
  7. 10. the material in the nucleous of a cell
  8. 12. delivers oxygen to cells
  9. 13. reproduction, a single parent production offspring
  10. 14. Cover and protect the body
  11. 15. reproduction, two parents contribute genetic information to one offspring
Down
  1. 1. Chromosome line up in the middle of the cell
  2. 6. contract to allow movement
  3. 8. Protects sound vibrations
  4. 11. store energys