6Some plants and animals could not survive without a close relationship with another living thing. Symbiotic Relationships: Animals and Plants Working Togetherlooks at the amazing relationships between living things, as well as the threats they face and how people can protect them. Easy-to-read text, vivid images, and helpful back matter give readers a clear look at this subject. Features include a table of contents, infographics, a glossary, additional resources, and an index. Aligned to Common Core Standards and correlated to state standards. Core Library is an imprint of Abdo Publishing, a division of ABDO.