Question

which of the following would be a more accurate step 2 of the explanation? a step 2 is most accurate as is. b variations emerge from random mutations that make the bacteria resistant to antibiotics. c the least adapted bacteria change their dna and become resistant to the antibiotics. d bacterial variations are weaker and do not survive which leads to adaptation over time. part b use the draggable items to complete a plausible step 5. environmental conditions other bacteria decreasing increasing the proportion of resistant bacteria in the population is in the proportion and the overall population has adapted to the

Explanation:

For Part A, antibiotic - resistant bacteria arise from random mutations. Option B correctly states that variations emerge from random mutations that make bacteria resistant to antibiotics. For Part B, as resistant bacteria have a survival advantage in the presence of antibiotics, the proportion of resistant bacteria in the population is increasing, and the overall population has adapted to the environmental conditions (the presence of antibiotics).

Answer:

Part A: B. Variations emerge from random mutations that make the bacteria resistant to antibiotics.
Part B: The proportion of resistant bacteria in the population is increasing in the proportion and the overall population has adapted to the environmental conditions.