Encyclopedia > 8th millennium BC

  Article Content

8th millennium BC

(9th millennium BC- 8th millennium BC - 7th millennium BC - other millennia


All Wikipedia text is available under the terms of the GNU Free Documentation License

  Search Encyclopedia

Search over one million articles, find something about almost anything!
  Featured Article
Natural selection

... predators, food sources, abiotic stress, physical environment, and so on. When members of a species become separated, such as geographically, they face different ...