Crayfish Test Review
A crayfish’s hard, shell-like
covering is called a(n) _______.
a.
b.
c.
d.
swimmerets
carapace
cephalothorax
exoskeleton
Exoskeleton
A crayfish’s smaller pairs of legs
are used for all of the following
EXCEPT…
a. walking
b. hearing
c. tearing food apart
d. cleaning themselves
Hearing
What is one way
crayfish avoid danger?
Crayfish avoid danger in the
following ways:
a. opening and closing claws
b. fighting with claws
c. waving their claws
We have learned that crayfish
are able to grow back body parts.
What is this called?
a.
b.
c.
d.
regenerate
regurgitate
retaliate
regerminate
regenerate
A female crayfish who has
eggs is said to be
________.
a.
b.
c.
d.
in mud
in berry
in peaches
in jam
in berry
The exoskeleton does not grow
as the crayfish eats and grows.
Crayfish must __________.
a. molt
b. hibernate
c. burrow
d. shake its shell off
molt
A crayfish’s eyes are on
________.
a.
b.
c.
d.
the tail
claws
short stalks
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
Alligators
Raccoons
Mice
Mice
What does the crayfishes fanlike 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.