Are there any examples of nature evolving wheels with axles?

There are no known macroscopic full-on wheel and axles. There are several examples of “protowheels”, where an organism adopts a round shape to roll downhill, or with the wind. Several beetles do this, as do tumbleweeds. read more

Best Answer: Previous answers are all interesting and thought provoking, but are not really the wheels you appear to be asking about. To find a true wheel in nature, look at any bacteria with a flagellum used for locomotion. These are truly wheels on a hub, as opposed to balls or simple 'roundness'. read more