Echinederms, mulloscs and arthropods

Front

What does the term echinoderm mean?

Back

Spiny skin.

Front

What are animals without backbones called?

Back

Invertebrates.

Front

How does a sea star obtain its food?

Back

By dropping its stomach into its prey.

Front

Which is an example of an Asteroidea member?

Back

Sea star.

Front

What type of symmetry do echinoderms have?

Back

Radial symmetry.

Front

What is the main body structure of mollusks?

Back

Soft-bodied with a hard shell.

Front

What is a radula?

Back

A tongue-like organ used by mollusks to scrape food.

Front

What are the three main classes of mollusks?

Back

Gastropods, bivalves, and cephalopods.

Front

What is the function of tube feet in echinoderms?

Back

Locomotion and feeding.

Front

What is the exoskeleton?

Back

A hard outer structure that provides support and protection for arthropods.