** Sorry to say this field guide is out of print and no longer available. Its replacement is our Life on Earth Pocket Chart - see it here.

The field guide provides a “big picture” perspective on the evolutionary relationships of all life on our planet. It links our tree of life and earth history graphics through a geological time scale–connecting living plants, microbes, fungi, and animals to their evolutionary history, to other organisms, and to Earth’s environment when they first evolved.

The guide features the following . . .

• the latest science research - updated with each printing

• timing & evolution of current life, to scale

• geological period descriptions & events

• continental drift & temperature fluctuations through time

• major extinction events

• helpful insights around the tree for better understanding

PLUS on the reverse side is a guide to . . .

• understanding a tree of life and how it best illustrates life’s evolution

• guide to evolution & how it happens

• evolutionary patterns

Measures 23.5” x 18” and folds to 4.5” x 11.75”.

Waterproof, tear-proof, and recyclable.