Speciation
...he old species dies out, we have a process called
anagenesis . Among simpler forms of life, such as bacteria , single mutations can cause drastic changes (called "saltation") that result in speciation in a very short time. Speciation is also related to a process known as adaptive radiation . Speciation ...
Evolution
...bridge University Press, 1989). See also
anagenesis argument from evolution atavism blind variation and selective retention catagenesis cladogenesis Convergent evolution evolutionary medicine endosymbiont evolutionary algorithm evolution of sex evolutionary tree expe...
Paleontology
... Most speciation is cladogenesis rather than
anagenesis . Most speciation occurs via peripatric speciation . Large, widespread species usually change slowly, if at all, during their time of residence. Full article >>> paleontology (pay-lee-un-tol-uh-jee) [Gk. palaios, old + onta, t...
Macroevolution
...in relatively large and complex changes. Cycle of
anagenesis , cladogenesis and stasigenesis. Related Terms: Evolution ... Full article >>> Macroevolution Main article: Macroevolution Macroevolution refers to large- scale changes in gene -frequencies in a population over a long p...
Cladogenesis
... Most speciation is cladogenesis rather than
anagenesis . Most speciation occurs via peripatric speciation . Large, widespread species usually change slowly, if at all, during their time of residence. Full article >>> Combining the simple coalescence model of cladogenesis with rare...
Anagenesis
...: Evolution ... Full article >>>
anagenesis (an-uh-jen-eh-sis) A pattern of evolution ary ch... Most speciation is cladogenesis rather than
anagenesis . Most speciation occurs via peripatric speciation . Large, widespread species usually change...