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Welcome to the USGS: Biological Resource Discipline
The Biological Resources Discipline (BRD) of the U.S. Geological Survey (USGS) works with others to provide the scientific understanding and technologies needed to support the sound management and conservation of our Nation's biological resources. - [Details]
PR: 7
Biology Online. Life Science Reference
Biology Online, information in the life sciences in the form of tutorials, references and an online dictionary of biology terms. - [Details]
PR: 6

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