argument from evolution
blind variation and selective retention
evolution of sex
...nd/or random mutation (in addition to any other various contributors to genetic change) until the populations are no longer capable of interbreeding ( cladogenesis
). (This is one definition of what a species is; see species .)
If a single population of a species changes enough over time to be designated a new...
Cladogenesis in Biological Dictionary
is an evolutionary splitting event in which each branch and its smaller branches forms a "clade", an evolutionary mechanism and a process of adaptive evolution that leads to the development of a greater variety of sister organisms. This event usually occurs when a few o...
...redit Card Required. Anagenesis is the progressive evolution of species involving a change in gene ... Modes: anagenesis - catagenesis - cladogenesis
... 3/2/2006: Anagenesis ... " Anagenesis , not mentioned in your text, refers to speciation (origin of new ... " Anagenesis acknowledges tha...