Science
Across
- 4. system- a group of organs that work together to do a certain job
- 5. membranes- a flexible wrapping around the cell to help keep its shape
- 7. any living thing that can carry out it's life on it's own
- 11. a green chemical in plant cells that allows plants to use the sun energy to make food
- 12. a group of tissues working together at the same job
- 13. a group of similar cells that work together at the same job
- 14. is a membrane covered structure used for storage of water, food and waste
Down
- 1. one celled organisms
- 2. plant and animal cells that have several basic structures in cell
- 3. the center of the atom that has most of its mass
- 6. many celled organisms
- 8. a gel like liquid that holds organelles in place
- 9. the smallest unit of living matter
- 10. an oval shaped organelle that supplies energy to the cell