Across
- 2. if a belief is held deeply these will not change our minds
- 6. a sense that works well in the ocean since sound travels so well
- 9. mermaid ___ is the name for the egg skates lay
- 10. ampullae of lorenzini detect ____ currents
- 11. the tail fin is called this
- 13. the balancing of salts and water, sharks do this by increasing urea concentration internally
- 16. ecosystem ____ are about what the benefits are of an ecosystem, they are hard to estimate value
- 18. this oily internal organ in sharks helps provide lift
- 19. these 'valves' increase surface area in the intestine and aid in digestion
- 21. the opening that female sharks have for waste and reproduction
- 22. on the tail of rays
- 24. what sharks are mainly targeted for
- 25. the belly or bottom side of an animal
Down
- 1. the ______ line helps detect water movement and pressure along the length of the fish
- 3. the class of skates, rays, and sharks
- 4. the muscles that let fish swim - these are what you eat when you eat sushi
- 5. the movie that made us all afraid of sharks
- 7. sharks have a huge olfactory lobe so they are great at this sense
- 8. fin on the back of a fish, aids in balance
- 12. sharks' rough skin is called dermal _____
- 14. sharks/rays/skates have five to seven gill ____
- 15. these fins are modified into claspers in sharks
- 17. relative of shark, large pectoral fins that make them rhomboid in shape
- 20. these fins provide lift for sharks
- 23. an additional opening for breathing, particularly useful for rays and skates
- 26. sharks replace these when lost