Question

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?

Answer 1

The Correct Answer is B) The stronger, more resistant bacteria survived the antibiotics and reproduced.

Step-by-step explanation:

he stronger, resistant bacteria was able to survive the antibiotics and reproduce. As seen in the diagram, the orange-red bacteria survived and were then able to reproduce to make more of that type of bacteria. Another way to describe this is survival of the fittest.

Answer 2

The first time when sal fell sick she was treated with antibiotics which lead to decrease in the serum level of the bacteria. This lead to sal's recovery. However at the same time some of the bacteria developed resistance against the antibiotic and survived. The multiplied and again manifested the disease