Cell Theory

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Across
  1. 5. What tool is needed to see tiny one-celled organisms?
  2. 9. What common unicellular organisms can be rod-shaped, like E. coli?
  3. 13. According to Cell Theory, all new cells come from what?
  4. 15. The Cell Theory says a cell is the ___ thing considered alive.
  5. 16. What word describes organisms made of only one cell?
  6. 17. What word means cells have different shapes and jobs?
  7. 19. What group of tiny germs is different from bacteria but also one-celled?
Down
  1. 1. What other scientists helped create the Cell Theory?
  2. 2. What cells pump blood through your body?
  3. 3. According to Cell Theory, what are all living things made of?
  4. 4. What is it called when one cell splits to make another organism?
  5. 5. What word describes organisms made of many cells?
  6. 6. What scientific idea explains the most important facts about cells?
  7. 7. What cells protect your body on the outside?
  8. 8. What do we call any living thing, such as a plant, animal, or fungus?
  9. 10. What do cells do when they send messages to each other?
  10. 11. Your skin acts as what, protecting you from germs?
  11. 12. What scientist helped create the Cell Theory in the 1830s?
  12. 14. What word means the job or purpose of a cell?
  13. 18. What do cells do to make a copy of themselves?