Sunday, 14 November 2021

The Ediacaran Period is still an enigma for Darwin

 


Image courtesy of Smith609, CC BY 2.5.

Joel Kontinen

According to evolution, the Ediacaran Period, 635 to 539 million years ago, was marked by the rise of complex life on Earth.

Yang et al. found that Ediacaran evolution was not slow and steady but rather marked by intervals of rapid diversification interspersed with dramatic environmental change.

The authors present geochronologic data that better define the tempo of evolution and how changes in that tempo relate to changes in the global carbon cycle as evidenced by carbon isotopic measurements of carbonate rocks in the Ediacaran stratigraphy.

Evolution states that the process was cyclic: Specific assemblages of complex organisms persisted stably for tens of millions of years in each cycle, after which new assemblages arose over much shorter time intervals. Present data suggest that these bursts of diversification may have been caused by rapid environmental changes associated with changes in the carbon cycle.

Poor evolutionists cannot discern the causes for these episodes of environmental change. But the Genesis model can..

Source:

Hodges, Kip. 2021. Evolutionary Biology The variable tempo of early evolution. Science