"All living things need food to survive. From trees to bees, without food they would not be alive. Young readers will discover how different living things use food."--
"Living things need sunlight. Without light plants, animals, and humans would not be able to survive. Young readers will discover the ways that different living things use sunlight."--
"All living things need air to survive. From plants to sea creatures, without air they would not be alive. Young readers will discover what air is, where it is found, and how different living things use it."--
"All living things need water to survive. From a tiny flower to a giant elephant, without water they would not be alive. Young readers will learn how different living things use water."--
