Echinodermata + Crustacea Quiz

What type of skeleton do echinoderms have?

• endoskeleton

• exoskeleton

• hard outer shell

• cartilaginous skeleton

What type of skeleton do crustaceans have?

• endoskeleton

• exoskeleton

• hard outer shell

• cartilaginous skeleton

Echinoderms use their water vascular systems to... (select all that apply)

• breathe, transport oxygen

• eat, transport nutrients

• move using hydraulic tube feet

• as a nervous system, to sense the environment

Many crustaceans have a _____, a hard outer shield on their backs

• carapace

• radial nerve canal

• madreporite

• maxillae

Fairy shrimp are in the class

• branchiopoda

• maxillopoda

• malacostraca

• crustacea

True shrimp are in the class

• branchiopoda

• maxillopoda

• malacostraca

• crustacea

True crabs are in the class

• branchiopoda

• maxillopoda

• malacostraca

• crustacea

Barnacles are in the class

• branchiopoda

• maxillopoda

• malacostraca

• crustacea

Echinoderms are exclusively _____ animals.

• marine

• terrestrial

• freshwater

• all of the above

Starfish have a heart, gills, and a brain.

• True

• False