
How do land and aquatic plants differ? How do birds mark their territories and attract mates? How are seeds protected from being eaten by animals? Using easy-to-find materials and the scientific method, readers can learn the answers to these questions and more. If readers are...

How do land and aquatic plants differ? How do birds mark their territories and attract mates? How are seeds protected from being eaten by animals? Using easy-to-find materials and the scientific method, readers can learn the answers to these questions and more. If readers are...
