The degree of kinship between organisms or species can be estimated
from the similarity of their DNA sequences, which often closely matches
their classification based on anatomical similarities.
|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