Across
- 3. large often round structure containing the genetic material
- 5. structures containing chlorophyll
- 7. membrane surrounds and protects the contents of the cell
- 8. smaller and more numerous in animals
Down
- 1. bean shaped structures that release energy from food
- 2. smallest living thing
- 4. jelly-like fluid in which internal float
- 6. small sacs that transport materials
- 7. wall, tough rigid structure surrounding the cell membrane
