"A seed falls from a plant. A mouse eats the seed. An owl eats the mouse. Each animal gets energy from its food. How does energy flow from one living thing to another? Let's investigate food chains and food webs!"-- Provided by publisher.

"Pebble explore"--Back cover.

What is a food chain? -- Where does energy come from? -- How do food chains become webs? -- How do people fit into food webs?.