Title: Life in the Ocean Layers
Description: All the oceans in the world flow together into one big ocean called the World Ocean. There are different zones in the ocean called layers where different animals live and are provided with food. Some of these zones are the sunlight zone, the twilight zone, the dark zone, the abyss zone, and the trenches the deepest parts of the ocean floor.
Subjects: Measurement, Marine ecology, Juvenile literature