World Book Trivia Quiz For Kids--11/5-under The Sea

Clams have no head and no teeth. They breathe and eat through a tubelike body part called a siphon. The siphon can be stretched to reach food and water if the animal is buried in mud or sand.

Sea grass is a flowering ocean plant. Sea grass grows in waters around all the continents except Antarctica. There are many different kinds.

There are thousands of kinds of seaweeds. All of them are algae. Algae are not true plants. They do not have true roots, stems, leaves, or flowers.

There are two general types of dolphins. Marine dolphins live in nearly all the oceans. River dolphins live in fresh or slightly salty water.

The largest turtle is the leatherback turtle. It grows from 4 to 8 feet (1.2 to 2.4 meters) long. The smallest turtle is the bog turtle. It grows only about 4 inches (10 centimeters) long.

The beluga has a large lump on its forehead. This lump is called the melon. The melon helps the whale make and hear sounds.

A whale is a large ocean animal that looks somewhat like a fish. But it is not a fish. Instead, it is a mammal.

Coral is a rocky limestone structure formed by millions of tiny animals. These animals are called coral polyps. Coral grows in many shapes and many beautiful colors.

All sharks are meat-eaters. Most of them eat live fish, including other sharks. Most sharks eat the fish whole, or they tear off large chunks of flesh. Some sharks crush the fish before eating it. Others bite off small pieces of flesh from large fish. Sharks also feed on dead or dying animals

The female lobster lays thousands of eggs at one time. They stick to her body until they hatch.