Crustacean and Echinoderms

Echinoderms include all the following except

• sea urchin

• starfish

• sand dollar

• shrimp

Crustaceans are known for having

• no segmentation

• radial symmetry

• an exoskelton

• a backbone

Crustaceans molt because they

• don’t need their shells anymore

• grow out of their old shell

• are replacing diseased shell

• are related to birds

Crustaceans have two main body segments. They are called the

• Claws and tail

• Cephalothorax and abdomen

• Tentacle and spines

• Antennae and tail

The exoskeleton of lobsters are made out of

• Cellulose

• Chitin

• Protein

• Lipid

Crustaceans use their appendages for

• movement

• getting food

• both movement and getting food

• neither movement and getting food

True or False. Crustaceans are an important source of food for other organisms

• True

• False

The following are all crustaceans except

• Lobsters

• Shrimp

• Crabs

• Sand Dollar

The mouth is found on the underside of the

• Shrimp

• Sea Urchin

• Salmon

• Sea Cucumber

The sand dollar’s flower pattern is created by

• Tube Feet

• Breathing Tubes

• Tentacles

• Spines