Mollusks, Arthropods, and Echinoderms

Front

What does the term echinoderm mean?

Back

Echinoderm means 'spiny skin', referring to the characteristic features of this group of marine animals.

Front

What two echinoderms are able to regenerate?

Back

Brittle star and sea star are two echinoderms known for their ability to regenerate lost body parts.

Front

Which type of invertebrate is a mollusk?

Back

Mollusks are a type of invertebrate characterized by their soft bodies, and many have shells.

Front

What is a defining feature of all mollusks?

Back

All mollusks have soft bodies.

Front

What is the process of regeneration?

Back

Regeneration is the ability of an animal to regrow a body part.

Front

What are the main classes of mollusks?

Back

The main classes of mollusks include Gastropoda (snails and slugs), Bivalvia (clams and oysters), and Cephalopoda (squids and octopuses).

Front

What is the exoskeleton in arthropods?

Back

The exoskeleton is a hard outer structure that provides support and protection to arthropods.

Front

What are tube feet in echinoderms?

Back

Tube feet are small, flexible, and suction-like structures used for movement and feeding in echinoderms.

Front

What is the significance of segmentation in arthropods?

Back

Segmentation allows for greater flexibility and mobility in arthropods, as well as specialization of body parts.

Front

How do mollusks breathe?

Back

Mollusks typically breathe through gills or lungs, depending on their habitat.