Across
- 1. A single coral individual
- 4. Type of reproduction coral uses to make internal or external fertilization
- 7. Brown-skinned agriculturists 4,000 years ago
- 8. Polar ice will melt and sea levels will rise
- 10. Starting from a known position and then just heading in the direction of your destination
- 11. Back-up method, during daytime and on cloudy nights, for telling direction
- 16. If seen, it means you are near land
- 20. Small isolated reef formations that are circular or oval in shape
- 23. Fertilized eggs
- 26. This is also referred as valuable 'sea marks'
- 28. Area that the sun passes directly overhead
- 29. Known by sailors as the doldrums, lies near the equator
- 30. Dark-skinned hunters/gatherers from 40,000 years ago
- 31. A compound used to make fertilizer
Down
- 2. The problem of knowing exactly where you are
- 3. Pacific island navigators use this often for telling direction
- 5. Calm center of a typhoon
- 6. Main form of transportation for most Pacific island cultures
- 9. Compares the genetic material of different populations to see which groups are related
- 12. Reef separated from the sinking volcanic island
- 13. Producing both sperm and eggs, though not at the same time
- 14. This has a characteristic style of decoration
- 15. Type of reproduction coral uses to expand or make new colonies
- 17. The problem of knowing which way you are going
- 18. Usually occur during the day season
- 19. Theory that islands were found by islanders just sailing in any direction until they found land or died
- 21. *A relationship between two organisms that share benefits with another*
- 22. Helps island navigators spot currents and judge their strength and direction
- 24. Moisture in the air
- 25. Tool that is useful to know direction
- 27. A coral island