And not according to the Darwinian claim:
It may be said that natural selection is daily and hourly scrutinizing, throughout the world, every variation, even the slightest; rejecting that which is bad, preserving and adding up all that is good; silently and insensibly working, wherever and whenever opportunity offers, at the improvement of each organic being in relation to its organic and inorganic conditions of life.
Genetic analysis of sticklebacks shows that isolated populations in similar environments develop in comparable ways. The basis for this is already present in the genome of their genetic ancestors. Evolutionary biologists from the University of Basel and the University of Nottingham report these insights in the journal Evolution Letters.
Many examples can be found in nature of evolution producing the same characteristics repeatedly and independently. Similar adaptations to similar environmental conditions have been documented in numerous animal and plant species, even if primarily on the level of external characteristics. The extent to which similar populations have also made use of the same genetic variants during their evolution, however, is little known. Paper. (open access) – Quiterie Haenel, Marius Roesti, Dario Moser, Andrew D. C. MacColl, Daniel Berner. Predictable genome-wide sorting of standing genetic variation during parallel adaptation to basic versus acidic environments in stickleback fish. Evolution Letters, 2019; DOI: 10.1002/evl3.99 More.
That’s a lot of information to be just randomly packed into evolution many millions of years in advance.
See also: Darwinism: Misfits do better than theory predicts (sticklebacks featured)
Emeerging view that evolution is predictable (sticklebacks featured)
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