5: Evolution Last updated Mar 6, 2021 Save as PDF 4.13: Eukaryotic Gene Regulation 5.1: Linnaean Classification Page ID6525 ( \newcommand{\kernel}{\mathrm{null}\,}\) Topic hierarchy5.1: Linnaean ClassificationThere are millions and millions of species, so classifying organisms into proper categories can be a difficult task. To make it easier for all scientists to do, a classification system had to be developed.5.2: Hardy-Weinberg Theorem5.3: History of Life5.4: How Earth Formed5.5: First Organic Molecules5.6: First Cells5.7: Evolution of Eukaryotes5.8: Late Precambrian Period5.9: Life During the Paleozoic5.10: Mesozoic Era - The Age of Dinosaurs5.11: Cenozoic Era - The Age of Mammals5.12: Phylogenetic Classification5.13: Darwin's Voyage of the Beagle5.14: Influences on Darwin5.15: Theory of Evolution by Natural Selection5.16: Fossils5.17: Living Species5.18: Biogeography5.19: Population Genetics5.20: Forces of Evolution5.21: Natural Selection5.22: Origin of Species5.23: Coevolution5.24: Macroevolution5.25: Animal Evolution