marine

Three quarters of the planet Earth is covered by water.

Also known as marine turtles, sea turtles are marine reptiles that live in both water and land.

Sharks have existed on earth for 420 million years. The Acanthodians and Chondrichthyes were one of the first shark species in the world.

Killer whales are more commonly known as orcas.

Polar bears are a species of bear that lives in the Arctic sea ice.

Sea turtles are large, cold blooded animals that come into the category of reptiles.

Penguins are a group of flightless birds that are mainly considered to be aquatic animals.

Sharks belong to the family of fish that have skeletons made from cartilage which is the tissue that provides them more flexibility and lighter weight than bone.

Seals are mammals that spend relatively less time on the land than they do in the water.