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?
Mendelian genetics
parasitism
natural selection
spontaneous generation

Question

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?
Mendelian genetics
parasitism
natural selection
spontaneous generation

abhisar · Answer

natural selection

deepika.comet · Answer

YEAH @Abhisar is right.

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