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