Evolution
Articles in this section
Natural Selection Guide: Darwin's Theory, Adaptation, and the Evidence for Evolution
Explore the theory of evolution by natural selection from Darwin's insights to modern evolutionary biology, covering …
Human Origins Guide: Evolution of Hominins, Early Ancestors, and the Rise of Homo Sapiens
Trace the story of human evolution from early hominins in Africa to the emergence of Homo sapiens, exploring fossil …
Biodiversity and Evolution Guide: Species Diversity, Evolutionary Patterns, and Conservation Implications
Examine the relationship between evolution and biodiversity, from the origins of species diversity and adaptive …
Darwin's Theory of Evolution: Natural Selection, Common Descent, and the Origin of Species
Explore Charles Darwin's theory of evolution by natural selection, the evidence that shaped his ideas during the Beagle …
Evidence for Evolution: Fossil Records, Genetics, Anatomy, and Observed Evolutionary Change
Discover the overwhelming evidence for evolution from fossil sequences and transitional forms to DNA comparisons, …
Speciation Guide: How New Species Form Through Evolution and Reproductive Isolation
Explore the processes of speciation from allopatric and sympatric speciation to hybrid zones and adaptive radiation, …
Evolutionary Adaptation: How Natural Selection Shapes Organisms to Their Environment
Explore the science of evolutionary adaptation from structural and physiological adaptations to behavioral and …
Genetic Drift: Random Evolutionary Change and the Founder Effect in Populations
Explore genetic drift a mechanism of evolution driven by random chance including the founder effect population …
Gene Flow in Evolution: Migration, Hybridization, and Genetic Exchange Between Populations
Explore gene flow the movement of genetic material between populations its effects on genetic diversity its role in …
Sexual Selection: Mate Choice, Competition, and the Evolution of Ornaments and Armaments
Explore sexual selection from intrasexual competition and mate choice to elaborate ornaments, mating systems, and the …
Coevolution Guide: Reciprocal Evolution, Arms Races, and Mutualistic Partnerships
Explore coevolution the reciprocal evolutionary change between interacting species from predator-prey arms races and …
Human Evolution Timeline: From Early Hominins to Modern Homo Sapiens
Trace the story of human evolution from early hominins like Sahelanthropus through Australopithecus Homo habilis …
Primate Evolution: From Early Primates to Monkeys Apes and Humans
Explore the evolutionary history of primates from tree-dwelling ancestors through the emergence of monkeys and apes to …
Evolutionary Psychology: The Mind Through the Lens of Evolution and Natural Selection
Explore evolutionary psychology which applies evolutionary principles to understand the human mind including mate …
Molecular Evolution: DNA Mutations, Phylogenetics, and the Genetic Basis of Evolutionary Change
Explore molecular evolution from DNA sequence changes and mutation rates to molecular phylogenetics and neutral theory …
Fossil Record and Evolution: Discovering Ancient Life and Evolutionary Transitions
Explore the fossil record of evolution from the earliest microbial life and the Cambrian explosion through major …
Extinction and Evolution: How Species Die Out and Drive Future Evolutionary Change
Explore the role of extinction in evolution from background extinction and mass extinction events to the evolutionary …
Evolutionary Development: Evo-Devo and the Genetics of Evolutionary Change
Explore evolutionary developmental biology how changes in embryonic development drive evolutionary innovation from Hox …