The world’s oceans are teeming with animals, from the sea otter to the whale shark.
But the largest and most diverse group of animals are the land animals that live on the land.
There are tens of thousands of species, ranging from birds to small mammals, and their habitats vary from deserts to jungles.
But they all have one thing in common: the ocean.
Nowhere else in the animal kingdom is the oceans as dynamic and varied as it is in the oceanic system.
As the oceans continue to warm and absorb more and more carbon dioxide into the atmosphere, the world will need to change its course.
The best place to start is to look at what the oceans have to offer.
This article originally appeared in the February 2016 issue of National Geographic magazine.