Section 5A

Front

What are mollusks?

Back

Mollusks are animals that have soft bodies and mantles; the mantle sometimes forms a shell.

Front

What are annelids?

Back

Annelids are segmented worms that may have setae, which are tiny hairlike structures used for movement.

Front

What is radial symmetry?

Back

Radial symmetry is a type of symmetry where body parts are arranged around a central axis, like in echinoderms.

Front

What are echinoderms?

Back

Echinoderms are marine animals with radial symmetry, tube feet, and live in water.

Front

What is an invertebrate?

Back

An invertebrate is an animal that does not have a backbone, a characteristic common to most animal phyla.

Front

What is bilateral symmetry?

Back

Bilateral symmetry is the type of symmetry having two identical sides when divided down the middle.

Front

What is the function of setae in annelids?

Back

Setae are tiny hairlike structures used for movement in segmented worms.

Front

Can you name a characteristic of mollusks?

Back

Mollusks have soft bodies and may have a shell formed by the mantle.

Front

What type of environment do echinoderms typically inhabit?

Back

Echinoderms typically live in marine environments.

Front

What is the significance of radial symmetry in echinoderms?

Back

Radial symmetry allows echinoderms to interact with their environment from multiple directions.