How do animals interact within an ecosystem? What is an animal’s role within their food chain? This life science guide introduces readers to familiar and exotic producers, consumers, and decomposers to give them a well-rounded look at the flow of energy through the food chain. This important life science concept is illustrated by color photographs of each animal, and fascinating facts about their place in their ecosystem.

For each chapter, the Study Guide provides an introduction, fill-in-the-blank chapter review, learning tips with graphical analysis, 4-5 comprehensive problems and exercises, 20 multiple-choice questions, and solutions to all fill-in-the-blank, problems, exercises, and quizzes found within the Study Guide.

For each chapter, the Study Guide provides an introduction, fill-in-the-blank chapter review, learning tips with graphical analysis, 4-5 comprehensive problems and exercises, 20 multiple-choice questions. Also included are solutions to all fill-in-the-blank, problems, exercises, and quizzes in the Guide.

Essentials of Economics brings the same captivating writing and innovative features of Krugman/Wells to the one-term combined micro/macro course. Adapted by Martha Olney (coauthor of the Krugman/Wells study guide and overall coordinator of its media/supplements package), it is the ideal text for teaching basic economic principles in a real-world context to students who are not planning to continue up the economics curriculum.