Macroevolution
Videos
Macroevolution comprises the evolutionary processes and patterns which occur at and above the species level. In contrast, microevolution is evolution occurring within the population of a single specie
Limbloss in lizards can be observed in the genus Lerista which shows many intermediary steps with increasing loss of digits and toes. The species shown here, Lerista cinerea, has no digits and only 1 toe left.
The European Common Lizard (Zootoca vivipara) consists of populations that are egg-laying or live-bearing, demonstrating that this dramatic difference can even evolve within a species.
Darwin's finches by Gould
The modern synthesis was the early 20th-century synthesis of Charles Darwin's theory of evolution and Gregor Mendel's ideas on heredity into a joint mathematical framework. Julian Huxley coined the te
Macroevolution
…phenomenon. However, many scientists still disagreed with Darwin that natural selection was the primary mechanism to explain evolution. Prior to the modern synthesis, during the period between the 1880s to the 1930s (dubbed the 'Eclipse of Darwinism') many scientists argued in favor of alternative explanations. These…
William Bateson championed Mendelism.
Karl Pearson led the biometric school.
E. B. Ford studied polymorphism in the scarlet tiger moth for many years.
Julian Huxley presented a serious but popularising version of the theory in his 1942 book Evolution: The Modern Synthesis.