Carl woese and his colleagues built a tree of life by comparing rrna ribonucleotide sequences of a variety of living organisms. What novel findings arose from this analysis?.

segmentation=endoskeleton=backbone=coelom=tissues

when a reversible reaction is occurring in both directions at the same rate; the products and reactants do not change in concentration. a chemical reaction where the compound is broken into its constituent parts.

the correct answer, according to e2020, is the second choice there is an occluded front in region a and a cold front in region b.