Crayfish Dissection

What phylum does a crayfish belong to?

• Crustacea

• Arthropoda

• Animalia

• Decapoda

What class does a crayfish belong to?

• Crustacea

• Arthropoda

• Animalia

• Decapoda

What is the name of this structure?

• Mandible

• Uropod

• Telson

• Pincer

Tags

NGSS.MS-LS4-2

What is the function of this structure?

• Carrying Eggs

• Excreting Waste

• Cutting Up Food

• Tasting

Tags

NGSS.MS-LS1-4

What is the name of the structure indicated?

• swimmerets

• gills

• carapace

• maxilipeds

Tags

NGSS.MS-LS4-2

What is the name of the structure indicated by the arrow?

• Telson

• Antennules

• Maxillipeds

• Chelipeds

Tags

NGSS.MS-LS4-2

Is this a male or female? How do you know?

• Male it has large pincers

• Female it has long swimmerets

• Male it has a sperm receptacle

• Female it has 10 legs

Tags

NGSS.MS-LS4-2

What structures are the arrows pointing to?

• Swimmerets

• Maxillipeds

• Uropods

• Chelipeds

What is the exoskeleton on a crayfish called?

• Gastropod

• Crustacea

• Crust

• Carapace

Where is the crayfish anus located?

• It is also it's mouth

• On its cephalothorax

• On the Telson

• On the Uropod