Let's Explore Life Science

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.

Ecosystems are all around-from a small pond to a vast forest and everything in between. This book shows kids the components of ecosystems as well and describes some of the world's most common ecosystems. Photographs show how both living and nonliving elements are needed in an ecosystem, while simple text describes the different roles at work in each environment.

Food is an essential to human life. It fuels our bodies-and some foods are healthier and provide better fuel and nourishment than others. This book thoughtfully explains how food and nutrition are linked and what the components of a healthy diet are, as well as the health risks linked to a poor diet. Chapters also helps kids figure out how to start and stick to healthy eating habits.