Crayfish

The protective shell (exoskeleton) of the crayfish is called the ______________.

• telson

• legs

• carapace

• eye

Crayfish can use their two ____________________ for feeling things around them.

• eye

• antennae

• tail fan

• legs

Five pairs of short appendages on the abdomen that are used for swimming are called the _______________.

• swimmerets

• tail fan

• carapace

• stomach

Where do most crayfish live?

• saltwater

• freshwater streams

• freshwater lakes

• Both fresh water steams and lakes

What is the main function of the crayfish's pincers?

• To help them swim

• To catch and hold food

• To breathe underwater

• To make sounds

What behavior do crayfish exhibit when they feel threatened?

• They sing loudly

• They dig deeper into the mud

• They raise their pincers

• They change color

Crayfish are most commonly found in which type of habitat?

• Deserts

• Forests

• Freshwater bodies like rivers and lakes

• Oceans

What do crayfish primarily eat?

• Grass

• Insects and small fish

• Fruits

• Sand

How do crayfish communicate with each other?

• By making sounds

• By releasing chemicals

• By changing colors

• By waving their antennae

Why do crayfish prefer to live under rocks or logs in their habitat?

• To find more food

• To hide from predators

• To stay warm

• To build nests