Food chains and food webs are a crucial part of life on Earth. In this educational and informative book, readers will study how all organisms in an ecosystem are connected. Some are predator, some are prey, and others are just there to help decomposition. Written for struggling upper elementary readers, the main content highlights the most important points, as well as the essential vocabulary relating to food chains and webs. Full-color photographs, fact boxes, and graphic organizers aid readers' comprehension of this key life science concept.