Across
- 2. any organism of microscopic size
- 4. an oxide containing two atoms of oxygen in the molecule
- 6. the simplest structural unit of an element or compound
- 9. a specialized part of a cell; analogous to an organ
- 12. a way of thinking or coming to mutual understanding
- 13. the supporting tissue of an organ (as opposed to parenchyma)
- 14. formation of compounds in plants aided by radiant energy
- 15. a colorless, odorless gas that is essential for respiration
Down
- 1. having cells that lack membrane-bound nuclei
- 3. any of green pigments found in photosynthetic organisms
- 5. pertaining to or exhibiting magnetism produced by electric charge in motion
- 7. organelle in which photosynthesis takes place
- 8. dioxide a heavy odorless colorless gas formed during respiration and by the decomposition of organic substances; absorbed from the air by plants in photosynthesis
- 10. depending on free oxygen or air
- 11. a monosaccharide sugar that has several forms