Seashell Facts for Kids

Seashell Facts for Kids
••• John Foxx/Stockbyte/Getty Images

Seashells have been used many ways throughout history, from jewelry to money and animal feed. Mollusks are animals that live in shells for protection. There are between 50,000 and 200,000 different kinds of mollusks.

Seashells of Long Ago

Scientists compare fossil shells with today's seashells.
••• Hemera Technologies/Photos.com/Getty Images

By comparing fossil shells with today's seashells from warm and cold climates, scientists discover what the climate may have been like in different regions millions of years ago.

Snails Grow Larger Shells

Snails grow larger shells.
••• John Foxx/Stockbyte/Getty Images

Snails take calcium carbonate and other materials from water and food and use it to enlarge their shells. The body part called a mantle builds the new portion of a shell.

Hermit Crabs Find New Homes

Hermit crabs find new homes.
••• Comstock/Stockbyte/Getty Images

When hermit crabs outgrow their shells, they look for a new empty snail shell to take over. If it weren't for snail shells, hermit crabs would have no homes.

Shells Come in Many Colors

Mollusks can turn their shells different colors by eating a variety of colorful food.
••• Stockbyte/Stockbyte/Getty Images

Mollusks can turn their shells different colors by eating a variety of colorful food. For example, red seaweed gives some sea animals a red shell.

Adding Protection

Some animals have carrier shells. They attach other shells or shell pieces to their own shells with a kind of glue that they make. The extra shells add protection and camouflage, helping the animals hide from predators.

Fun Fact

The turn of a snail's shell is called a whorl.
••• Photos.com/Photos.com/Getty Images

The turn of a snail's shell is called a whorl. In 99 percent of all snail species, that whorl goes in a clockwise direction.

Related Articles

List of Things That Have Shells
What Is a Dolphin's Main Source of Food?
What Are the Causes of the Destruction of Ecosystem?
Ecological Role of the Spider Crab
Differences Between Abalone & Paua
What Foods Do Harp Seals Eat?
How Are Seashells Formed?
Facts About Dinosaurs for Kids
Animals of the Abyssal Ecosystem
The Differences Between Clams & Scallops
What Organisms Eat Seaweed?
What Eats Coral Reefs?
Why Coral Reefs Come in Many Colors
Characteristics of Snails & Slugs
Animals That Live in the Tropical Forest That Are Omnivores
Examples of Tide Pool Predators
What Do Owls Eat?
A List of Mollusks
How Do Penguins Get Their Food?
Habitats of Centipedes

Dont Go!

We Have More Great Sciencing Articles!