Earth's plants, animals, and other organisms live in a diverse array of ecosystems. The conditions in these places vary dramatically, ranging from steamy rain forests to arid deserts to the cold depths of the ocean. Ecosystems of the World explores these locations and the life within them. Learn how adaptation has made it possible for living things to thrive across the globe. Discover the connections between organisms that keep Earth's complex ecosystems healthy. Core Library is the must-have line of nonfiction books for supporting the Common Core State Standards for grades 3-6. Core Library features: A wide variety of high-interest topics, Well-researched, clearly written informational text, Primary sources with accompanying questions, Multiple prompts and activities for writing, reading, and critical thinking, Charts, graphs, diagrams, timelines, and maps Book jacket.