Marine biologists study things that live in oceans.

Marine biology includes everything from small organisms such as plankton right through the very large such as whales.

Subjects important to marine biology include biology, physics, chemistry and mathematics.

Marine biologists are usually curious and have a love of the outdoors, especially the ocean.

Marine biology includes a number of specialist disciplines and marine biologists may choose to focus their study on a particular group of animals.

A bachelor’s degree in marine biology is sufficient for a number of related jobs but a PhD is usually required for independent research and university teaching.

As part of their job, a marine biologist may collect and analyze biological data, study plant life, identify animal species , research environmental effects, communicate findings to the public and much more.

Oceans cover around 71% of the Earth’s surface.

Ocean trenches can reach as deep as 10911 metres (35797 ft) deep.