Seashells Seashells are skeletons of a class of sea animals called
mollusks.
People and animals have skeletons inside of their bodies, but
ollusks have their skeletons outside.
Did you know?
Seashells are made mostly of calcium carbonate.
Shells help protect sea creatures from other animals
and storms.
Little crabs use shells for homes.
A person who studies seashells is called
conchologist. How do people use shells?
People use shells to create jewelry, decorate their
houses and clothes.
Some people use shells as containers for food and
water​