Across
- 4. A process in which a element turns into a compound
- 6. A part of the scientific process
- 8. A group of specialized cells
- 10. A way in which living things produce life
Down
- 1. what plants exchange with co2
- 2. A liquid that retains proteins in the cell
- 3. A cell organism that stores energy
- 5. A way in which living things get energy
- 7. Essential element for life
- 9. A living thing that make his own food