CELLS

12345678910
Across
  1. 4. gives plants their green color
  2. 7. structures inside a cell that do certain tasks
  3. 9. a soft, flexible layer that allows some fluids and solids to pass through
  4. 10. the organelle that is in charge of reproduction and makes proteins
Down
  1. 1. how many cells die in the human body each day, on average
  2. 2. having one particular task or purpose
  3. 3. only in plant cells, contain chlorophyll
  4. 5. developed or changed over time.
  5. 6. squeeze together or become smaller
  6. 8. how many cells the human body begins as