Comment: I'm sure you can clearly see

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I'm sure you can clearly see

I'm sure you can clearly see how
http://en.wikipedia.org/wiki/Confirmation_bias

and

http://en.wikipedia.org/wiki/Reverse_engineering

are entirely different.

"The bacteria shows several generations but the human does not, so how can they both be examples of biological evolution?"

You answered your own question:
"which may be caused by natural selection, inbreeding, hybridization, or mutation"