Thursday, June 11, 2015

Bacteria

What is bacteria???
Bacteria are unicellular prokaryotes.They are the largest number of creatures and are found every where on earth because some bacteria need oxygen to survive and some can live without oxygen.They can live in freezing and hot temperatures.Their size range from 0.2 to 2(microns) in width and 2 to 10 (microns) in Length.

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