Recent market statistics indicate that of the many home improvements possible, landscaping is expected to provide a 100 to 200 percent return on investment. While this science of exterior architecture ...
The Theory of Island Biogeography, coined by Robert MacArthur and E.O. Wilson, helps describe why species are distributed as they are. The larger and closer an island is to another (or to the mainland ...
This media is in the public domain (free of copyright restrictions). You can copy, modify, and distribute this work without contacting the Smithsonian. For more information, visit the Smithsonian's ...
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