How does taxonomy help us understand relationships among organisms on Earth?

Taxonomy helps us understand relationships among organisms on earth because you can produce a genetic tree diagram which starts from present day animals and goes back to the first early life forms. Scientists will use living organisms and extinct organisms either from fossils, from drawings or from photographs.

answer; ///i believe that the correct answer is (d); ///

it also supports my hypothesis. if you rest first you can squeeze the clothespin more times. from the data i collected the average of the eight people concluded exercise makes your muscles more fatigued and less able to squeeze the clothespin compared to resting before squeezing.