which is a current example that provides evidence of natural selection

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03-06-2016
Biology

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which is a current example that provides evidence of natural selection

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menari menari · Answer 1 · 2016-06-04T01:30:46+02:00

Bacteria.
When bacteria are exposed to antibiotics, the antibiotics kill the bacteria that does not have resistance gene while the bacteria that have the resistance gene survive and produce offspring with the gene creating generations of bacteria with a resistance gene. This demonstrates that through natural selection, bacteria are evolving into antibiotic-resistant bacteria. The selective agent is the antibiotic and the main culprits are the humans.