Both bacteria and viruses are often able to mutate quickly to adapt to environmental changes. Humans, however, do not show a high rate of mutation. Certain types of bacteria and viruses are disease agents in humans. Explain how the differences in rates of mutation between
humans and disease causing bacteria and viruses may hinder modern medical treatment of these disease.

How is anaerobic respiration affected by changes in temperature? (5 points)based on the conditions of early earth, what conclusion can you draw about the amount of anaerobic respiration that was occurring at earth’s beginning? explain your answer.(5 points)if there was a sudden drop in temperature after the evolution of the first living cells, predict how that might have affected the changes in the atmosphere and the evolution of cyanobacteria and other autotrophs. explain your answer. (5 points)