Oceans cover most of Earth and are home to truly countless forms of life, such as krill, sharks, whales, and many more. This beneficial book helps readers discover how important these salty habitats are through real-world connections. Readers will discover why kelp forests are essential for sea otters and why all life relies on ocean currents. The accessible text also introduces the idea of balance and how changes in the environment can have a huge impact on oceans. Readers will love the beautiful color photographs of this ecosystem, which complement and support the engaging text.