Natural selection is the process by which some organisms in a population survive and reproduce, while others do not, based on their bodies and behaviour. It is one of the processes by which ...

To constitute natural selection, the difference in survival and/or reproduction cannot be due to chance, and it must have the potential consequence of altering the proportions of the different ...

All viewers of this document can see this public note. This is the most explicit and concise description and definition of natural selection in On the Origin of Species. Darwin’s view here is ...