Systematics and the Origin of Species is a book written by zoologist and evolutionary biologist Ernst Mayr that was first published in 1942. The book became one of the canonical publications on the modern evolutionary synthesis. This article has been identified as possibly containing errors. ... The modern evolutionary synthesis (often referred to simply as the modern synthesis or the evolutionary synthesis), neo-Darwinian synthesis or neo-Darwinism, generally denotes the combination of Charles Darwins theory of the evolution of species by natural selection, Gregor Mendels theory of genetics as the basis for biological...

The book is based on Mayr’s Jesup Lectures delivered at Columbia University in 1941, the book combines concepts of zoology and genetics and features Mayrs biological species concept. The biological species concept developed by Mayr defines a species in terms of biological factors like reproduction, taking into account ecology, geography, and life history; it remains an important and useful idea in biology, particularly for animal speciation. Columbia University is a private university in the Morningside Heights neighborhood of Manhattan, New York City. ... In biology, a species is the basic unit of biodiversity. ... For other uses, see Reproduction (disambiguation) Biological reproduction is the biological process by which new individual organisms are produced. ...

In December 2004 the National Academy of Sciences held a colloquium in honour of Mayr's 100th birthday, Systematics and the Origin of Species: On Ernst Mayr's 100th Anniversary was published as a result. President Harding and the National Academy of Sciences at the White House, Washington, DC, April 1921 The National Academy of Sciences (NAS) is a corporation in the United States whose members serve pro bono as advisers to the nation on science, engineering, and medicine. ...