Using data from studies of over 100 groups of species, research suggests that there are some time-dependent, hidden general principles governing how life diversifies on Earth—operating underneath all the other factors we typically think determine how quickly species diversify or go extinct.

See the source article by following the link below:
Using data from studies of over 100 groups of species, research suggests that there are some time-dependent, hidden general principles governing how life diversifies on Earth—operating underneath all the other factors we typically think determine how quickly species diversify or go extinct.