Author Description

Ocean Life introduces you to marine habitats and creatures that live in the oceans. What are the threats to this unique, diverse enviroment? Why is sea salty? Are some oceans saltier than others? Why? How do oceans supply the earth with 50 percent of its oxygen? Can you guess the top predator in the complex marine food web? This book takes you a kilometre below the surface - to the world's largest environment for living things.