Resultados para "John North" en Ciencias biológicas

This volume, aimed at the general audience, presents life and times of the amazing animals that inhabited Earth more than 500 million years ago. The Cambrian Period was a critical time in Earth's history. During this immense span of time nearly every modern group of animals appeared. Although life had been around for more than 2 million millennia, Cambrian rocks preserve the record of the first appearance of complex animals with eyes, protective skeletons, antennae, and complex ecologies.

A collection of probing essays and weekly meditations, this book addresses how to prepare emotionally and spiritually for the impending collapse of industrial civilization. Author Carolyn Baker offers wisdom, inspiration, and a sense of spiritual purpose for anyone who is concerned about the...