Did You Know?

Some bivalves can make pearls!

How They Eat

Bivalves filter tiny food from water.

Where They Live

Bivalves live in sand or mud.

What bivalve Does

Bivalves help clean the water.

They are food for fish and birds.

Some bivalves are used in soup.

They can be found on beaches.

Some make pretty shells.

They help keep the sand clean.

More About bivalve

Bivalves have been here for a long time. They first came to Earth a long, long time ago. They have changed a bit but still look like their old selves.

We see bivalves when we go to the beach. They are part of our food, too. People eat clams and oysters.

Some bivalves can make pearls. Pearls are shiny and pretty. They are used to make jewelry.

How Topics Connect

graph TD A["Bivalvia Overview"] --> B["Historical Names: Lamellibranchiata"] A --> C["Historical Names: Pelecypoda"] A --> D["Characteristics: Soft Bodies"] A --> E["Characteristics: Calcified Exoskeleton"] A --> F["Anatomy: No Head"] A --> G["Anatomy: Lack of Radula"] A --> H["Gills: Evolved into Ctenidia"]

What Do These Words Mean?

Bivalvia:A class of water animals with two shells.
Molluscs:A large group of soft-bodied animals, like snails and clams.
Exoskeleton:A hard outer shell that protects the body.
Valves:The two halves of a bivalve's shell.
Ctenidia:Special organs in bivalves used for eating and breathing.