Introduction to Mollusk Flashcard

Front

What is the Visceral Mass in Mollusks?

Back

The Visceral Mass is the part of a mollusk's body that contains most of its internal organs.

Front

Where do most mollusks live?

Back

Most mollusks live in marine environments.

Front

What is the Umbo in a bivalve shell?

Back

The Umbo is the oldest part of the bivalve shell, located at the hinge.

Front

What type of symmetry do most mollusks exhibit?

Back

Most mollusks exhibit bilateral symmetry.

Front

What is the function of the foot in Mollusks?

Back

The foot is specialized for burrowing, feeding, and movement.

Front

Define the term 'Mantle' in the context of Mollusks.

Back

The Mantle is a significant part of a mollusk's body that secretes the shell and covers the visceral mass.

Front

What is the role of the Trochophore in Mollusk development?

Back

The Trochophore is a free-swimming larval stage in the development of many mollusks.

Front

Explain the term 'Bivalve'.

Back

Bivalves are a class of mollusks that have two-part shells, such as clams and oysters.

Front

What is the significance of the Hinge in bivalves?

Back

The Hinge connects the two shells of a bivalve and allows them to open and close.

Front

Describe the feeding mechanism of Mollusks.

Back

Mollusks typically use a radula, a toothed structure, to scrape food from surfaces.