SC State Standards: 

8-LS4-1. Analyze and interpret data for patterns in the fossil record that document the existence, diversity, extinction,and change of life forms throughout the history of life on Earth under the assumption that natural laws operated in the past as they do today 

8-LS4-2. Apply scientific ideas to construct an explanation for the anatomical similarities and differences among modern organisms and between modern and fossil organisms to infer their ancestral relationships.