NCES.8.L.4 - Understand the evolution of organisms and landforms based on evidence, theories and processes that impact the Earth over time.
- NCES.8.L.4.1 - Summarize the use of evidence drawn from geology, fossils, and comparative anatomy to form the basis for biological classification systems and the theory of evolution.
- NCES.8.L.4.2 - Explain the relationship between genetic variation and an organism's ability to adapt to its environment.