Help


from Wikipedia
« »  
Gradualism is often confused with the concept of phyletic gradualism.
It is a term coined by Stephen Jay Gould and Niles Eldredge to contrast with their model of punctuated equilibrium, which is gradualist itself, but argues that most evolution is marked by long periods of evolutionary stability ( called stasis ), which is punctuated by rare instances of branching evolution.

1.830 seconds.