This book is written for a general education courses in Ecology (Biology 63 - Ecology at Evergreen Valley College). This book introduces Ecology, the branch of biology that deals with the relations of...This book is written for a general education courses in Ecology (Biology 63 - Ecology at Evergreen Valley College). This book introduces Ecology, the branch of biology that deals with the relations of living organisms, including humans, to one another and to their physical surroundings. This book also covers key concepts in science and biology, that serve as the foundation for understanding more advanced ecological concepts. Included throughout is an underlying theme emphasizing how ecological r