Human Demands on the Biosphere Biology Human Impact on Ecosystems Human Demands on the Biosphere Questions Whose theories are the basis for modern breeding techniques of plants and animals? How is matter recycled in the biosphere? What is the biosphere? Question #f7bab Human Impact on Ecosystems View all chapters Human Practices that Change Ecosystems Species Extinctions Caused by Humans The Importance of Preserving Habitat Human Population Growth Human Demands on the Biosphere Invasive Species Prev Next