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Ede4ka [16]
3 years ago
3

7. Two students are discussing natural selection in bacteria and how it can relate to antibiotic resistance in bacteria. Bernade

tte states that when antibiotics are used, bacteria can respond by developing traits to help them defeat the antibiotic, which then may increase their fitness. Dominique states that there is already a variety of traits among the bacteria. Bacteria that have traits that allow them to survive the antibiotic and reproduce may have higher fitness. Which individual's reasoning do you agree with more and why?
Biology
1 answer:
Oduvanchick [21]3 years ago
4 0

The most valid hypothesis for explaining the natural selection of bacteria is that of Dominique.

Antibiotics are, initially, molecules naturally synthesized by microorganisms to fight against bacteria competing with their environment. This created a pressure of selection on the bacterial populations, leading to the appearance of resistant strains. In fact, when an antibiotic is used, only bacteria with defense systems against this molecule survive (and reproduce).

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