Question

How can coevolution contribute to speciation?

Answer 1

Coevolution is the fact that at least 2 populations of 2 species evolves while interacting with each others, when they are both found on a defined space (as a forest, a lake, a field ...). By evolving, those populations differs from the others of the same specie.After a lot of generations, and so a long time of coevolution, those populations are different from the others of the same specie and can give birth to new species. It's speciation.

For example, if a population "N" of plant specie "A" is interacting with a bird specie population and another population "M" of the same plant specie is interacting with a bug specie population in two separated places, in the end, we'll have two populations of species "O" and "P", that differed by cladogenesis.

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