Bacterial responses to antibiotics are concentration-dependent. At high concentrations, antibiotics exhibit antimicrobial activities on susceptible cells, while subinhibitory concentrations induce diverse biological responses in bacteria.
Natural variation provided the phenotypes that natural selection then acted on, over time causing evolution
Answer:
b
Explanation:
its b because it doesnt say any else then 15 or any clues so its tryna trick u
As the sun heats the surface of the oceans, two layers of water result. These layers are separated by the Thermocline.
so your answer is thermocline.
Ebola is a deadly virus that tricks the body into damaging its own blood vessels. It originated near the ebola river when some animals probably bit someone or someone went into the river and got the virus inside of them through the nose, mouth, ears, open wounds, or other areas. The only way you can spread it is by getting one's body fluids that is infected with ebola (such as spit, mucus, or other fluids that come from the body), on somebody and the fluid somehow works its way into the body.
