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Warning: Undefined array key "vb_userid" in /home/savingad/staging.savingadvice.com/blogs/init.inc.php on line 125 Bacteria That's Remained the Same for 2 Billion Years Actually Confirms Evolution - SavingAdvice.com Blog
If you heard that an organism has remained the same for the last 2 billion years without changing, you might believe you’ve found the smoking gun to show the theory of evolution had been disproved. What at first seems to be a deathblow, however, actually is some of the strongest evidence showing the theory of evolution is, in fact, correct. Why are scientists saying bateria that’s remained the same for a couple of billion years confirms evolution?
The bacteria in question was collected by researchers in in a deep-sea location off the coast of Australia. That fossilized bacteria was 1.8 billion years old, and it was compared with with other fossilized bacteria present in the same region 2.3 billion years ago. The two ancient bacteria were identical.
The researchers then compared these two samples to living, modern-day sulfur bacteria found off the South American coast near Chile. After examining the ancient bacteria with the modern bacteria, the conclusion was that the bacteria living today is indistinguishable from the bacteria which lived 2 billion years ago.
This posed a problem. As J. William Schopf, the leader of the study noted, if something has lived on this earth for half of the entire planet’s history without changing, the lack of evolution needs to have an explanation for evolution to remain a fact. He explains the answer is actually quite simple.
While Darwin’s theory says organisms will evolve through natural selection in order to better survive and reproduce, they do so in order to better survive the environmental changes around them. The reason the bacteria haven’t evolved is because the environment they are found in today is essentially the exact same environment they lived in 2 billion years ago. Schopf says this is exactly what scientists would expect according to evolution in an environment that has remained the same.
The study and findings were published in the February 2 issue in the journal Proceedings of the National Academy of Sciences.
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