As part of this collaboration, Olivier Pourquie, scientific founder of Anagenesis
and professor at Harvard Medical School and the Brigham and Women's Hospital, will serve as a consultant to CRISPR Therapeutics.
With an understanding of cladogenesis and anagenesis
, students can better appreciate the distinction between descent from a common ancestor and relationships among coexisting modern species.
of autopoiesis depends on the openness of biological systems.
This branch length correlation measures the similarity in the amount of anagenesis
(reconstructed character state change) that has occurred along each branch of a phylogeny.
The important difference between branching cladogenesis and either continuous anagenesis
or bifurcating cladogenesis (such as assumed in many comparative biology techniques; e.g., see Felsenstein 1985) is that branching cladogenesis assumes that morphologic changes are concentrated during speciation events rather than distributed evenly through time (Eldredge 1971; Eldredge and Gould 1972).
and the importance of stratigraphy to paleobiology.
On the role of species in anagenesis
. American Naturalist 130:465-473.
It arose as a conceptual macromutation on November 24, 1859 -- "disgorged," as Mencken (1931) put it, "in one stupendous and appalling dose" -- and has undergone stasis or slow anagenesis
If these writers ever grasped the more important theme of speciation as a primary pump for regulating diversification in geological time, they downgraded such fluctuation in numbers as subservient to anagenesis
, never understanding that differential speciation can also power an evolutionary trend.