Across
- 5. a group of predominantly aquatic photosynthetic organisms
- 8. the inhabitants of a particular place
- 9. the action or process of precipitating a substance from a solution
- 10. the fall of rain.
- 11. the dissolved salt content of a body of water
Down
- 1. relating to the structure of populations
- 2. a place suitable for living
- 3. of a map or survey
- 4. piece of equipment used for a particular purpose
- 6. a liquid you drink
- 7. facts and statistics collected together for reference or analysis.