Structures of Life: Crayfish

Crayfish shed their shells. This is called?

• shedding

• molting

Crayfish live in

• salt water

• fresh water

Crayfish breathe with

• lungs

• gills

Crayfish can stay out of water as long as

• they want

• 2 hours

• their gills are wet

How do crayfish grab food and dig?

• with their tails

• with their teeth

• with their pincers

Crayfish can _______ body parts like legs and claws if one is lost.

• regenerate

• borrow

• find

Crayfish eat

• anything small

• decaying (dead) plants

• decaying (dead) animals

• All of the above

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Crayfish hunt for food

• in the morning

• in the afternoon

• at night

Crayfish antenna are covered with small hairs, called bristles, to help it

• see in dark water

• chew its food

• sense the environment

Female crayfish have longer swimmerets (under the tail) for

• walking

• swimming

• holding her eggs

Tags

NGSS.MS-LS1-4