Zap! The sea anemone stings and paralyzes a passing small fish. It has just captured dinner for itself and the clown fish. Look! Nature's Helpers introduces some of the most remarkable, and unexpected, symbiotic animal partnerships in the natural world. Spectrum® Readers are the perfect Common Core aligned tool to support the development of nonfiction reading skills crucial to a young reader's success. Each leveled reader features high-interest informational content, exciting full-color photo illustrations and Common Core aligned comprehension practice focused on the development of critical thinking skills. This multilevel series is the perfect addition to any library at school or home.