Across
- 6. can withstand high pressure
- 10. lives in environments with pH < 5
- 14. lives in environment with little water
- 15. glow in the dark
- 16. lives in environment without oxygen
Down
- 1. oxidize CO₂ to CH₄
- 2. lives in extreme heat
- 3. lives in salty environment
- 4. Uses magnetic crystals to orient themselves to the earths magnetic field
- 5. lives in extreme cold
- 7. lives in basic environments
- 8. lives in environment similar to humans
- 9. ancient bacteria responsible for Earth's oxygen atmosphere
- 11. bacteria forms CaCO3 minerals
- 12. thrives in high levels of radiation
- 13. lives in environment with oxygen