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What do you and a tuna have in common? You are both part of a food chain that begins with green things and ends with you Can you get energy from sunlight? Why is every link in a food chain important? Read and find out more about food chains

Now rebranded with a new cover look, this book features content-rich vocabulary in simple, engaging text by Patricia Lauber, fascinating diagrams, and beautifully detailed illustrations by Holly Keller. Both text and artwork were vetted for accuracy.

This is a Level 2 Let's-Read-and-Find-Out Science title, which means the book explores...

Why should you be a friend to trees?

Trees are a valuable natural resource. People depend on trees for food, and animals depend on trees for food and shelter. But most important, we depend on trees because they add oxygen, a gas we all need, to the air. While trees give us many wonderful products, we must also protect them because we can't live without them.

Children's Books of 1990 (Library of Congress)