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Fish Review Quiz
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Fish Review Quiz
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25 Questions

1. how many teeth do chrondrichthyes have?

2. physical characteristics of agnathan

3. slow moving, capable of bursts of speed

4. area that smoothes the pulsations and adds still more force

5. is freshwater's internal salt concentration higher or less than water?

6. What did teeth of chonrdrichthyes develop from?

7. traces were found in cambrian period, dating back to ordovician and silurian periods, 400-500 million years ago. What fish were found?

8. What are examples of osteichthyes?

9. agnathan class

10. What are the nerves?

11. Why are fish slimy when you fish them out of the water?

12. What do marine fish excrete?

13. thick walled vessel that carries blood away from the heart

14. urinary system of the lamprey and hagfish

15. closes as mouth opens and vice versa; acts as a pump to move water across gill (why osteichthyes can stop and swim backwards)

16. diamond shaped

17. largest, process visual, auditory and lateral line system. turns body away or toward stimulus.

18. do sharks have good immunity?

19. filter tiny food particles in osteichthyes

20. Whisker-like tactile organs near mouth (touch)

21. rough and spiny

22. osmoregulation in sharks

23. What kind of circulation do fish have?

24. do marine fish constantly take in or lose water?

25. When do chrondrichthyes have all their teeth?

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