UNIVERSITY OF MINNESOTA EXTENSION - www.extension.umn.edu
Ecosystems are complex networks of organisms, from the bacteria in the soil to the largest mammals in the forest. These living communities evolve to become well-adapted to their environment and each other, creating a careful balance...
The world's oceans face threats on many fronts. Water pollution and air pollution pose significant dangers to oceans and the marine life that call them home, but a much smaller threat is having its own devastating impact on the world's oceans.
The National Oceanic and Atmospheric Administration...