Across
- 3. Its cell wall contains distinct patterns of tiny holes to absorb nutrients and extract waste.
- 5. Dioxide Diatom contributes to the atmosphere by reducing this.
- 7. Diatom cell contains this as the pigment molecule that allows photosynthesis.
- 10. Has the ability to produce own food using light and chemical energy.
- 11. Microscopic, prokaryote algae that has a silicon cell wall.
- 12. Diatoms reproduce by this process.
- 13. Diatoms lives in this type of habitat.
- 14. Aquatic eukaryotic organisms that contain chlorophyll but does not have stem, roots, leaves.
Down
- 1. Carbon dioxide is converted to this by the diatom.
- 2. The measurement it can be measured by.
- 4. A process to create organic molecules from inorganic substances.
- 6. Microscopic organisms living and floating in sea or fresh water.
- 8. The skeleton of a diatom.
- 9. It also consists of bacteria, archaea and protozoa.