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Travka [436]
3 years ago
5

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?
Biology
1 answer:
galben [10]3 years ago
7 0
The theory that is demonstrated by this experiment is natural selection.
Basically, only the strongest bacteria survived, and nature decided which of those bacteria were fit enough to get to live and reproduce in the future. Those bacteria that were "willing" and able to fight their way through a huge number of bacteria were the ones who ultimately won.
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The correct answer to my knowledge would be 45.

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As you get older, your chances of having an enlarged prostate go up. Because BPH is so common, it has been said that if a man lives long enough, he will all have an enlarged prostate. Many men over 40 have a small amount of prostate enlargement. The condition affects more than 90% of men over the age of 80.

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1 year ago
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Answer:

im so sorry but you cannot get an answer because you have not posted the passage from the question.

7 0
2 years ago
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