Marine Biology Marine Biology

What is Marine Biology?

Marine biology is the study of life in the ocean. This huge body of saltwater covers about two-thirds of our planet's surface and contains many different marine ecosystems. Life within it is more diverse than life on land!

 

Marine Biology Stuff:

Test Density with a Supersaturated Solution

Test Density with a Supersaturated Solution

Do fresh water and salt water mix? Find out in this experiement.

Be an Ocean Helper

Be an Ocean Helper

Find out what you can do to protect the oceans and ocean life.

Crazy Camouflage

Crazy Camouflage

Create a flounder fish that's hard to spot!

Create a Coral Reef

Create a Coral Reef

Make a 3D diorama! All you need are pasta, Play-Doh, pipe cleaners, pom-poms, and hair curlers.

Dive Into Worlds Within the Sea

Dive Into Worlds Within the Sea

Find out what lives in the deep sea, coral reef, and continental shelf?

In Pictures: Fascinating Fish

In Pictures: Fascinating Fish

Check out these fascinating fish from Africa's lower Congo River.

It Takes All Kinds to Make a World

It Takes All Kinds to Make a World

The ocean's one diverse place. Take the surfboard challenge, and ride the waves of biodiversity!

Journey to Deep Sea Vents

Journey to Deep Sea Vents

All aboard! Hop on a submersible and explore an amazing diversity of life at the ocean floor.

Journey to the Bottom of the Sea

Journey to the Bottom of the Sea

Can you make it down to the ocean floor? Along the way, discover what makes water special.

Make Your Own Creatures of Light

Make Your Own Creatures of Light

Create land and sea animals that "glow" in the dark!

Make Your Own Marine Biology Stationery

Make Your Own Marine Biology Stationery

Send a note to a friend with these watery letterheads.

Meet the Marine BiOLogists

Meet the Marine BiOLogists

Dive into the oceans with Melanie, Gabriela, Gwyneth, and Luke.

Meet the OLogist: Melanie Stiassny

Meet the OLogist: Melanie Stiassny

Dive into the oceans with Melanie.

Ocean Creature Feature

Ocean Creature Feature

What adaptations help these creatures survive?

Rubber Blubber Gloves

Rubber Blubber Gloves

How do whales and walruses stay warm in chilly waters? Grab some gloves and find out.

Slowing the Flow

Slowing the Flow

How do mammals respond to cold water? Take the plunge into icy water and find out.

They Glow!

They Glow!

Discover how these deep sea creatures create their own light!

What Do You Know About Marine Biology?

What Do You Know About Marine Biology?

Test your knowledge about our watery world with this quiz.

What's the Big Idea About Marine Biology?

What's the Big Idea About Marine Biology?

There are so many ways and places to live in the oceans. Discover its wonders and importance.

What's This?

What's This?

Can you tell the difference between a leech's jaw and its back sucker? 

Work the System!

Work the System!

Grab the magical magnifying glass and take a close look at what's living in the mangroves.