What kind of evidence is used by modern taxonomists to classify organisms based on evolutionary relationships?

arranging the organisms in orderly groups

family-when the eight levels of classification are listed form broadest to narrowest which level is sixth in the list.   Fossils and old dichotomous keys

Explanation:

carbohydrates are the body's preferred source of energy.

the answer is lactic acid from anaerobic respiration. the acid in lactic acid is what creates sore and burning muscles. if you think about how acid burns that will give you a clue for questions like this.