Nothing Lasts Forever : Effects of Change to Ecosystems Biology Diversity of Life Grade 4 Children's Biology Books

Change is constant. It happens regardless of how careful you are in your actions. The same goes in ecosystems. There are events that trigger short-term and/or long-term changes. Some of these events occur naturally while others are man-made. This book will examine the effects of change in different ecosystems. It will categorize changes between beneficial and otherwise. What can you do to help preserve ecosystems?