Speciation
Evolution is the gradual process in which already existing species undergoes in order to have a greater chance of survival. Because Natural Selection takes place, random mutations occur in offsprings, and so new characteristics and attributes are formed. These random mutations may occur because they may have a greater chance of survival or because it would benefit them in some way. For example, the giraffe's long neck came about when it found that it needed a way to obtain leaves from the tops of trees. And so, generation by generation, it's neck slowly lengthened until it was able to do so.
Darwin only had one theory of evolution, and he defined it in his book On The Origin of Species.
In the 1930s, Dobzhansky and Mayr explained that species originate through allopatric speciation.
AnswerThe creation of a new species is the evolution of a new species. The process by which new species arise is called speciation.
I believe you are referring to evolution, which occurs as a result of natural selection causing species to change into new species over time.
speciation
They thought the evolution of new species is linked to environmental changes
they thought the evolution of new species is linked to environmental changes
They thought the evolution of new species is linked to environmental changes
they thought the evolution of new species is linked to environmental changes
They thought the evolution of new species is linked to environmental changes
they thought the evolution of new species is linked to environmental changes
they thought the evolution of new species is linked to environmental changes
they thought the evolution of new species is linked to environmental changes
They thought the evolution of new species is linked to environmental changes
They thought the evolution of new species is linked to environmental changes
they thought the evolution of new species is linked to environmental changes
Charles Darwin's wrote two books the first was called Charles Darwin's theory of evolution and the second was Charles Darwin's the origin of mammal