Australian Museum
Great Barrier Reef
A short description of the Great Barrier Reef of Australia. Included are pictures and a map. Learn what makes up a coral reef and the two different types.
PBS
Nh Pbs: Nature Works: Estuaries
Learn more about estuaries when you visit this informative site. This resource provides locations of and weblinks to estuaries in the United States.
State Library of North Carolina
N Cpedia: Outer Banks
The Outer Banks are a chain of barrier islands that skirt the coast of North Carolina from the Virginia border to Cape Lookout through Currituck, Dare, Hyde, and Carteret Counties. More than 175 miles long, they are separated as much as...
Smithsonian Institution
National Museum of Natural History: American Mammals: Gulf Coast Kangaroo Rat
Gulf Coast Kangaroo Rats are confined to barrier islands of northeastern Mexico and southern Texas and the nearby Texas mainland. No fossils of this species have been found, but because of features of its teeth and skull, scientists...
BiologyWise
Biology Wise: Examples That Explain Geographic Isolation
Discusses how unique species evolve when geographic barriers restrict population interbreeding, such as when organisms are confined to an island. Examples are provided.
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