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• Bacteria - Wikipedia, the free encyclopedia

  The Bacteria [bækˈtɪr.i.ə] (help · info) (singular: bacterium) are a large group of unicellular microorganisms. Typically a few micrometres in length, bacteria have a wide ...

• Introduction to the Bacteria

  Topics include morphology, systematics, life history and ecology, and the fossil record.

• Bacteria, Types Of Bacteria, Bacteria Microscopic Pictures at ...

  LiveScience.com explains bacteria,types of bacteria,bacteria microscopic pictures,bacteria structure and pictures of bacteria