Evolution of different courtship behaviours in separate populations of the cricket Gryllus rubens is an example of Speciation.
Speciation is an evolutionary process that involve how a new kind of plant or animal species is created or come into being. Speciation occurs when a group in a species separates or leave each other members of its species and develops its own deffrerent unique characteristics or features to live in it's new environment.
Therefore, Evolution of different courtship behaviours in separate populations of the cricket Gryllus rubens is an example of Speciation.
Learn more about speciation here.
https://brainly.com/question/2113835