Ponds and Rivers: Nature WY

One glance can tell you the watery world of a pond is really different from that of a river. Creatures that live in ponds and rivers are often different, too, adapted to the aquatic environment in which they live. Measure and compare the non-living, physical traits of a pond and a river that influence living creatures, including temperature, turbidity, substrate, velocity, and oxygen levels.

Видео Ponds and Rivers: Nature WY канала Wyoming PBS