"With predation and carnivory as catalysts, the first known eye appeared in a trilobite during the Cambrian explosion approximately 543 million years ago. This period was a crucible of evolution and teemed with anatomic creativity although the journey to formed vision actually began billions of years before that. The Cambrian period, however, spawned nearly all morphologic forms of the eye, followed by descent over hundreds of millions of years providing...

Contains facts about the tarantula and the scorpion, comparing such aspects as their sizes, brain structure, and abilities.

Compares and contrasts various parts of the human anatomy with those of animals and concludes that all bodies are different and special.

Explains the important functions of bones in the body by comparing human skeletons to those of other vertebrates, with photographs of people and animals in motion overlaid by illustrations of bones to show these supporting frameworks.

Illustrates a variety of vertebrate skulls and provides facts about each animal.

"Move over, Jeopardy, Family Feud, and The Price Is Right - this book will be your new favorite laugh-until-your-stomach-hurts family game! In Butt or Face, weird animals are introduced with a close-up photo. Kids must guess: are they seeing seeing...um...err... the bottom or the top? Readers will learn about animals like Cuban Dwarf Frogs, whose backsides look like a pair of eyes, and the Mary River Turtle, which not only has a unique face, but even...