Oceans (Full Episode) | Hostile Planet

Summary by Krater

This preview of the National Geographic series Hostile Planet examines how animals survive changing oceans and severe weather events, narrated by Bear Grylls.

From the video

Answers: What is National Geographic's Hostile Planet about?

• marine wildlife survival
• ocean habitats
• climate impact on oceans
• animal breeding and hunting

What it concludes

• Oceans cover 70 percent of Earth's surface and provide 99 percent of habitable space for an extreme range of animals.
• Only 10 percent of olive ridley turtle hatchlings make it to the sea.
• Shallow continental seas are the most productive yet most competitive waters in the oceans.
• Global temperatures have been steadily warming for the past 75 years, causing coral bleaching.
• 75 percent of deep-sea animals make their own light.