The problems in this chapter ask students to identify basic needs of living things and to describe simple life cycles of animals, plants, and fungi. The problems involve students in a number of science practices included in the Next Generation Science Standards (NGSS). In this problem, a child wonders about how a pear grows on a pear tree and learns about the life cycle of a plant. This problem contrasts the life cycle of humans with that of trees. Any plant can be used in place of the pear tree. A materials list, teacher background information, safety practices, references, assessment, and outcomes are provided. This book selection includes the Table of Contents, Preface, Catalog of Problems, Acknowledgments, About the Authors, References, and Index.