Respuesta :

I think it’s natural selection

Evolution is a term that is used for how living things have evolved from another form different from the current form.

Of the given options, speciation is not a mechanism of evolution.

Take for instance, the human.

Human was believed to have evolved from Australopithecus to human (after several evolution stages)

There are several mechanisms that contribute to evolution.

However, speciation is not a mechanism of evolution, but instead it is a process of evolution, where new species are formed

Read more about evolution at:

https://brainly.com/question/2725702