1. Crayfish Test Review

2. A crayfish’s hard, shell-like covering is called a(n) _______.
swimmerets
carapace
cephalothorax
exoskeleton

3. Exoskeleton

4. walking hearing tearing food apart cleaning themselves
A crayfish’s smaller pairs of legs are used for all of the following EXCEPT…
walking
hearing
tearing food apart
cleaning themselves

5. Hearing

6. What is one way crayfish avoid danger?

7. Crayfish avoid danger in the following ways:
opening and closing claws
fighting with claws
waving their claws

8. regenerate regurgitate retaliate regerminate
We have learned that crayfish are able to grow back body parts. What is this called?
regenerate
regurgitate
retaliate
regerminate

9. regenerate

10. A female crayfish who has eggs is said to be ________.
in mud
in berry
in peaches
in jam

11. in berry

12. molt hibernate burrow shake its shell off
The exoskeleton does not grow as the crayfish eats and grows. Crayfish must __________.
molt
hibernate
burrow
shake its shell off

13. molt

14. A crayfish’s eyes are on ________.
the tail
claws
short stalks
the swimmerets

15. short stalks

16. Crayfish are crustaceans
Crayfish are crustaceans. Which of the following is NOT a member of the crustacean family? Lobster Crayfish Shrimp Armadillo

17. Armadillo

18. What do crayfish breathe with?

19. Gills

20. There are about how many species of crayfish in the United States?

21. 500

22. Other than bait, what other use do crayfish have to humans?

23. Humans eat crayfish

24. All of these animals are enemies of crayfish except_____
All of these animals are enemies of crayfish except_____. Fish Alligators Raccoons Mice

25. Mice

26. What does the crayfishes fan-like tail help it to do?

27. Move Backward

28. A crayfish uses its claws for all of the following except ____
A crayfish uses its claws for all of the following except ____. Catching food self-defense Fighting To attract a mate

29. Attract a mate

30. What type of eye does a crayfish have?

31. Compound Eye

32. What are two other names for crayfish?

33. Crawfish or Crawdads

34. Do crayfish hunt during the day or at night?

35. At night

36. How long can crayfish live?

37. Anywhere between 2 and 20 years

38. What are three different colors of crayfish?

39. They can be pink, white, red, black, blue, or green

40. What are the two MAIN body parts of a crayfish
What are the two MAIN body parts of a crayfish? Hint: the first part is a combination of the head and thorax.

41. The cephalothorax and the abdomen

42. What family do crayfish belong to?

43. Crustaceans

44. True or false: Crayfish love warm weather and sunshine.

45. False!

46. How does a crayfish’s antenna help him/ her?

47. It helps him to smell, feel, and taste.