Clipvideo ETC
An online service of Florida's Educational Technology Clearinghouse
Ecology
Items
Potholes
Canyonlands National Park: Throughout Canyonlands, naturally occurring sandstone basins called potholes form tiny ecosystems inhabited by a surprising collection of…
Biological Soil Crust
Canyonlands National Park: Biological soil crust is a living groundcover that forms the foundation of plant life in Canyonlands and…