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OpenStudy (anonymous):
Several bacterial colonies are placed on a petri dish that contains agar with antibiotics. After 24 hours, ninety percent of the original bacterial colonies die, but the remaining ten percent survive and later reproduce. Which of the following theories is demonstrated by this experiment? *parasitism *spontaneous generation *Mendelian genetics *natural selection
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OpenStudy (anonymous):
@sikinder
OpenStudy (anonymous):
*natural selection
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