
Why do some humans have curved thumbs while others have straight thumbs? What is DNA? What happens during cell division? Using easy-to-find materials, young scientists will explore genetics, evolution, and classification, and more, all with the help of the scientific method...


How do biologists classify organisms? What is the role of probability in heredity? What happens during cell division? The answers to these intriguing questions and many more can be found by doing the fun and easy experiments in this book. Young scientists will begin exploring...