Across
- 2. the average is 3.5%
- 6. no light zone
- 8. these are dissolved an occur near the surface
- 10. cold blooded ocean creatures
- 11. 90-96% of total organic material in oceans
- 13. constant internal temperature
Down
- 1. bad light zone
- 3. good light zone
- 4. the areas of the ocean most likely to have abundant nutrients
- 5. these are dissolved and occur near hydrothermal vents
- 7. 75% of the world's supply found in oceans
- 9. the physical factor that changes with latitude
- 12. the most prominent physical factor near the surface