Evolution is a unifying theme in the study of the living world.
Many disciplines contribute to...
Paleontology Biogeography Molecular biology Testing the hypothesis that ostriches of Africa and emus of Australia are close relatives that diverged from a flightless ancestor Studying the geographic distribution of closely related newt species separated by a mountain range. Comparing the diversity of organisms Grand Canyon. Analyzing the sudden extinction of found in sequential strata of the dinosaurs along with the iridium layer Neanderthal and modern human deposit in sedimentary rock. Analyzing and comparing mitochondrial genomes