Bacteria Information

•  Bacteria are prokaryotes (rather than eukaryotes) because they have visibly no internal structure, importantly no nucleus.
• They were the first disease causing microbes ever discovered.
• They are so small that they can only be seen with one of the most powerful micorscopes.
• There are three main shapes: rod-shaped, spherical, and spiral.

Found at:

http://www.bio.miami.edu/~cmallery/150/proceuc/c8.27x3.bact.shapes.jpg

• Lastly most bacteria are heterotrophic (dependent on pre-formed organic matter for their food).

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