Based on your cladogram, from oldest to newest, in what order did the three characteristics (flowers, multicellularity, and xylem/ phloem) evolve? *The purple lines represent a characteristic change or adaptation.*

all matter is made up of atoms

in any element all atoms are the same

elements in a compound are always in a constant ratio: apex

this age may represent the age of the earth's accretion, of core formation, or of the material from which the earth formed. this dating is based on evidence from radiometric age-dating of meteorite material and is consistent with the radiometric ages of the oldest-known terrestrial and lunar samples.