Across
- 3. has genetic code for particular trait
- 4. centimeters that plates move each year
- 6. sperm and eggs are these
- 8. the bottom of a wave
- 9. differences in individuals of same species
- 10. displays waveforms of sound
- 12. northern most plate
- 14. amplitude increases when waves meet
- 20. these were found on multiple plates
- 22. above and below the equator
- 24. formed after fertilization
- 25. have two X chromosomes
- 26. theory that Theia struck Earth
- 27. peaks of wave A meet troughs of wave B
Down
- 1. clouds of dust and gas in space
- 2. measure of pitch
- 5. plate contains much of Europe and Asia
- 7. pertaining to stars
- 11. nebulae that can be seen
- 13. when waves meet each other
- 15. tightly wound DNA
- 16. distance of a wave from the midline
- 17. type of heat transfer that moves the crust
- 18. is measured by the amplitude
- 19. the unit for frequency
- 21. plates that drift on the mantle
- 23. the top of a wave