Across
- 2. jelly like substance
- 3. sac like structures
- 4. the largest single cell
- 7. organisms made up of more than two cells
- 9. the building blocks of life are known as -----------
- 10. cells that contract and expand
- 11. who discovered cells?
- 12. plant cells are located on the--------- part of the stem
- 13. an unicellular organism
Down
- 1. scattered in the cytoplasm are small structures called -------------
- 5. a thin covering surrounding the cytoplasm
- 6. small rod like structures
- 8. centre of cytoplasm