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