Benchmark 5F
The Living Environment: Evolution of Life
Grades 9-12, page 125

Molecular evidence substantiates the anatomical evidence for evolution and provides additional detail about the sequence in which various lines of descent branched off from one another.
 

NSES Content Standard C 
Life Science: Diversity and adaptations of organisms
Grades 5-8, page 158
Millions of species of animals, plants, and micro-organisms are alive today. Although different species might look dissimilar, the unity among organisms becomes apparent from an analysis of internal structures, the similarity of their chemical processes, and the evidence of common ancestry.

NSES Content Standard C 
Life Science: Biological evolution
Grades 9-12, page 185
Natural selection and its evolutionary consequences provide a scientific explanation for the fossil record of ancient life forms, as well as for the striking molecular similarities observed among the diverse species of living organisms.