95 percent of ancient Ohio was forested. But centuries ago there were also small regions of prairie. Tall grasses and wildflowers were part of the prairie ecology and so were bison. Researchers near Columbus are trying to reestablish a prairie / bison ecosystem.
The quickest way â€“ not shortest distance â€“ between two points
Sound waves through an aluminum tube; standing waves in liquids
Swamps, Marshes, Ocean inletsâ€¦All of these are wetlands, which have standing water and are not deep
Hydro periods are a fingerprint on how wetlands receive their water: from river overflows, rain, or runoff. To understand a particular wetland, scientists must understand where the water comes from, and to figure out if a wetland is OPEN or CLOSED.