Have an account?
Skip to Content
15 questions
Show Answers
See Preview
- Multiple ChoicePlease save your changes before editing any questions.
Crayfish shed their shells. This is called?
shedding
molting
- Multiple ChoicePlease save your changes before editing any questions.
Crayfish live in
salt water
fresh water
- Multiple ChoicePlease save your changes before editing any questions.
Crayfish breathe with
lungs
gills
- Multiple ChoicePlease save your changes before editing any questions.
Crayfish can stay out of water as long as
they want
2 hours
their gills are wet
- Multiple ChoicePlease save your changes before editing any questions.
How do crayfish grab food and dig?
with their tails
with their teeth
with their pincers
- Multiple ChoicePlease save your changes before editing any questions.
Crayfish can _______ body parts like legs and claws if one is lost.
regenerate
borrow
find
- Multiple ChoicePlease save your changes before editing any questions.
Crayfish eat
anything small
decaying (dead) plants
decaying (dead) animals
All of the above
- Multiple ChoicePlease save your changes before editing any questions.
Crayfish hunt for food
in the morning
in the afternoon
at night
- Multiple ChoicePlease save your changes before editing any questions.
Crayfish antenna are covered with small hairs, called bristles, to help it
see in dark water
chew its food
sense the environment
- Multiple ChoicePlease save your changes before editing any questions.
Female crayfish have longer swimmerets (under the tail) for
walking
swimming
holding her eggs
- Multiple ChoicePlease save your changes before editing any questions.
When you observe a crayfish eating, raising its pincers when threatened, or swimming backwards when startled, you are observing its
defense
properties
behaviors
- Multiple ChoicePlease save your changes before editing any questions.
What are two ways that could help you decide whether a crayfish is male or female?
egg pore and longer swimmerets
short swimmerets
its smaller than another crayfish
- Multiple ChoicePlease save your changes before editing any questions.
What things do crayfish need to survive?
water, sun, shade
shelter, water, food
food, water
- Multiple ChoicePlease save your changes before editing any questions.
When do crayfish molt?
when they're adults
when they grow too big for the shell
when their mom tells them to
- Multiple ChoicePlease save your changes before editing any questions.
Crayfish are crustaceans. Which other creatures below are also crustaceans?
lobsters
crabs
cats
shrimp