Which identifies the main purpose of biological taxonomy?
1classify organisms by using common names for easy identification of species by scientists.
2create phylogenetic trees that organize species based only on physical characteristics.
3use a systematic method to name, organize, and show relationships among species
4create common names that can be applied to multiple organisms found in different regions

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)