Reference Terms
from Wikipedia, the free encyclopedia


Human beings define themselves in biological, social, and spiritual terms.

Biologically, humans are classified as the species Homo sapiens, a bipedal primate of the superfamily Hominoidea.

Note:   The above text is excerpted from the Wikipedia article "Human", which has been released under the GNU Free Documentation License.
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October 9, 2015

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updated 12:56 pm ET