During gaseous exchange terrestrial mammals breathe in (a) air and breathe out carbon dioxide (b) oxygen and breathe out carbon dioxide (c)air with with a high concentration of oxygen and breathe out carbon dioxide (d)air with a high concentration of oxygen, and breathe out air with a high concentration of carbon dioxide

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)