blackstar said:
i don't know, the only thing i know about bacteria that might help the evolution theory is that they do develope antibiotic resistance but so do all the living creatures |
Developing antiobitic resistence is an example of evolution. Bacteria are exposed to a new environment (drug, poison, changes in salinity, temperature, etc.), and some bacteria die while others live. If a bacteria has a genetic mutation that allows it to survive, then it passes that trait down to all its off spring.
If you have a dish full of bacteria and introduce them to antibiotics and one survives, in a short time you will have a full dish of bacteria that evolved a new trait. That is why we have to develop new medicines all the time, bacteria are evolving to survive a change in their environment. Now, one trait may not seem that big a deal, but after tens of thousands of years the continual development of new traits will create an organism that is easily distinguishable from its ancestors, thus evolution.
