Oceans are one of the world's most interesting ecosystems. This information-rich title takes readers under the sea to explore the watery world of ocean biomes. Along the way, readers will love learning about the plants and animals that make their home in the ocean. From plankton and kelp to walrus and sea turtles, the detailed photographs that accompany the text will fascinate readers. This text supports important elementary science standards, such as understanding the relationship between creatures in a habitat, the effect of human intervention, and adaptation and survival techniques. Fact boxes and a simple global map provide opportunities for additional learning.