The dots represent a bacterial infection. Sal was very sick with this bacterial infection. The infection was treated with antibiotics. Sal seemed to get well, but in a few weeks, she was sick again. How can this be explained using natural selection? A) The antibiotics were ineffective to this strain of bacteria. B) The stronger, more resistant bacteria survived the antibiotics and reproduced. C) The antibiotics did not kill the bacteria; it only forced them to be dormant. D) Antibiotics will only kill a portion of the bacteria, no matter how much medicine Sal takes.

This can be explained using natural selection by, the stronger, more resistant bacteria survived the antibiotics and reproduced. So, option B is correct.

What do you mean by Bacterial infection?

Bacterial infection may be defined as those diseases which are occurred due to the entry of bacterial species into the body, increases their numbers, and cause severe reactions in your body.

Bacterial infections are majorly treated with antibiotics. But when Sal was sick again after a few weeks, it represents that antibiotic is not much effective to eliminate bacteria from the body.

Therefore, this can be explained using natural selection by, the stronger, more resistant bacteria survived the antibiotics and reproduced.

To learn more about Bacterial infection, refer to the link:

https://brainly.com/question/2009215

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