Across
- 3. part of plant cell that contain chlorophyll
- 5. animals without backbone
- 6. cell's control center
- 8. membrane the thin layer that encloses and gives shape to a cell
Down
- 1. a jellylike substance that fill of the space in cell
- 2. organism that are small they can only be seen with microscope
- 4. animal with backbone
- 7. building blocks of living things
- 8. wall a structure that keeps a cell rigid