Crayfish Test Review. A crayfish’s hard, shell-like covering is called a(n) _______. a.swimmerets...
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Transcript of Crayfish Test Review. A crayfish’s hard, shell-like covering is called a(n) _______. a.swimmerets...
Crayfish Test Review
A crayfish’s hard, shell-like covering is called a(n) _______.
a. swimmeretsb. carapacec. cephalothoraxd. exoskeleton
Exoskeleton
A crayfish’s smaller pairs of legs are used for all of the following
EXCEPT…a. walkingb. hearingc. tearing food apartd. cleaning themselves
Hearing
What is one way crayfish avoid danger?
Crayfish avoid danger in the following ways:
a. opening and closing clawsb. fighting with clawsc. waving their claws
We have learned that crayfish are able to grow back body parts.
What is this called?
a. regenerateb. regurgitatec. retaliated. regerminate
regenerate
A female crayfish who has eggs is said to be
________.a. in mudb. in berryc. in peachesd. in jam
in berry
The exoskeleton does not grow as the crayfish eats and grows.
Crayfish must __________.
a. moltb. hibernate
c. burrowd. shake its shell off
molt
A crayfish’s eyes are on ________.
a. the tailb. clawsc. short stalksd. the swimmerets
short stalks
Crayfish are crustaceans. Which of the following is NOT a member of the crustacean family?
Lobster Crayfish
Shrimp Armadillo
Armadillo
What do crayfish breathe with?
Gills
There are about how many species of crayfish in the United States?
500
Other than bait, what other use do crayfish have to humans?
Humans eat crayfish
All of these animals are enemies of crayfish except_____.
Fish AlligatorsRaccoons Mice
Mice
What does the crayfishes fan-like tail help it to do?
Move Backward
A crayfish uses its claws for all of the following except ____.
Catching food self-defense
Fighting To attract a mate
Attract a mate
What type of eye does a crayfish have?
Compound Eye
What are two other names for crayfish?
• Crawfish or Crawdads
Do crayfish hunt during the day or at night?
• At night
How long can crayfish live?
• Anywhere between 2 and 20 years
What are three different colors of crayfish?
• They can be pink, white, red, black, blue, or green
What are the two MAIN body parts of a crayfish?
Hint: the first part is a combination of the head and thorax.
• The cephalothorax and the abdomen
What family do crayfish belong to?
• Crustaceans
True or false: Crayfish love warm weather and sunshine.
• False!
How does a crayfish’s antenna help him/ her?
• It helps him to smell, feel, and taste.