Antibiotic resistance happens naturally due to genetic mutation through random selection, however, genetic drift occurs on purpose and tests which genes are stronger and should continue to be passed on to future generations. In most cases, genetic drift is needed and antibiotic resistance isn’t.
Of poor water hygiene and management
Answer:
D
Explanation:
D is the correct answer. The rest do not represent evolution / natural selection well, and penicillin's strength has remained the same.
This answer could be cellular respiration. It makes energy so they can live (in basic terms) haha
The crust is the outermost layer of the Earth.
The lithosphere is not between itself and the outer core.
The inner core is the center of the Earth, which is located further in than the outer core.
The answer is the mesosphere.