Reactions to On the Origin of Species pro-evolution scientists and Unitarians with liberal churchmen, two of the authors were indicted for heresy and lost their jobs by 1862. In October 1860, John Phillips published "Life on the Earth, its origin and succession", reiterating points from his Rede Lecture and disputing Darwin's arguments. He sent a copy to Darwin, who thanked him, though "sorry, but not surprised, to see that you are dead against me". On 20 November, Darwin told Lyell of his revisions for a third edition of the "Origin", including removing his estimate of the time it took for the Weald to erode: "The confounded Wealden
Genetics and the Origin of Species variation would allow populations to evolve rapidly as environmental conditions change. This book was a landmark in the evolutionary synthesis, as it presented the union of Mendelian genetics and Darwinian theory. In "Genetics and the Origin of Species", polyploidy is considered as a type of mutation. Polyploid cells have a chromosome number that is more than twice the haploid number. The effects of polyploidy between two different species causes hybridization and even greater evolution. Natural selection in an environment produces reproductive success, which benefits the species. Speciation is a process of evolution through which new biological species are formed. Dobzhansky