Im not positive but im pretty sure it was 1859 by Darwin
Natural selection
The theory of evolution by means of natural selection.
The mechanism is natural selection, of course.
Darwin proposed the theory of evolution by natural selection.
No discovered it, it is a proposed theory by Charles Darwin.
Charles Darwin
To the environment.
Charles Darwin
Charles Darwin.
he proposed a theory about natural selection
Charles Robert Darwin and Alfred Russel Wallace.
The generally accepted theory of evolution by natural selection was proposed by Charles Darwin