The speed of evolution is measured in genetic changes of a species over time. A lot of genetic changes accumulated over time will produce a species that is
The existence of sexual reproduction has baffled biologist for centuries. How can sexual reproduction have evolved when it greatly diminishes the speed of reproduction? How can it continue
For evolution you need only three ingredients; Variation in living organisms Inheritance of variation from parents to offspring Natural selection And of course a lot of time. Variation
