Question

PLEASE HELP ASAP!!!! 100% CORRECT ANSWERS ONLY PLEASE!!!! I CANNOT RETAKE THIS.


Darwin hypothesized that there are definite steps to natural selection. Consider the model of bacterial resistance to antibiotics. How would Darwin explain step I?



A. Bacteria adapt to environmental changes.


B. In any population, genetic variation exists.


C. In any population, some individuals are weaker than others.


D. Some bacteria alter their DNA in a response to environmental changes.

Answer 1

B) In any population, variation exists. Some bacteria are resistant to antibiotics. Most bacteria die, but the bacteria that are resistant survive and reproduce.

Answer 2

I am guessing B because it is mostly one of the best answers out of all of them.