. . "Hawley, Ella." . . "Hawley, Ella" . "JUVENILE NONFICTION / Science & Nature / Biology" . . . "Exploring the Classification of Living Things" . "Exploring the Classification of Living Things"@en . "Our Earth is rich in biodiversity and contains millions of species of living things. Scientists have already discovered two million individual species and categorized them into different groups. This volume explains how scientists classify living organisms. Readers will learn how the science of classification has changed over time as our understanding of the natural world continues to evolve and where everyday living things fit into the classification system."@en . "Our Earth is rich in biodiversity and contains millions of species of living things. Scientists have already discovered two million individual species and categorized them into different groups. This volume explains how scientists classify living organisms. Readers will learn how the science of classification has changed over time as our understanding of the natural world continues to evolve and where everyday living things fit into the classification system." . . "Living things" . . . . . . . . . "Exploring the classification of living things" . "Classification" . . "Juvenile works" . . . "Explains how scientists classify living organisms, how the science of classification has changed over time, how the natural world continues to evolve, and where everyday living things fit into the classification system." . "Electronic books"@en . "Electronic books" . "Classification of living things" . .