Uncommon Descent Serving The Intelligent Design Community

Those awful comb jellies betray the Darwinians again: They were even more complex than feared, starting at maybe 635 million years ago


They’re said to have appeared between 634 and 604 million years ago (Peterson and Butterfield, 2005) and figure in the Cambrian Explosion. Darwinians have been trying to Cancel the Cambrian Explosion since practically forever but it keeps coming back into the fact base:

Ctenophores Get Even More Complex

Comb jellies (ctenophores) are claimed by some evolutionists to be the first multicellular animals, emerging even before sponges! (See here for more.) But look at all the design features these small marine animals have: a nerve network, locomotion, digestion, and iridescent flashing lights in their eight “comb rows” of cilia. In 2018, Casey Luskin noted that over 1,200 homology groups (groups of genes that are similar and unique to a homologous group) would be required for the origin of the group that includes ctenophores. Now, the team that in 2019 brought to light one of the required genes for comb rows has doubled the complexity, and with it, multiplied the headaches for evolution.

In 2019, we described how Jokura et al. in Current Biology had identified a gene named CTEN064 that was “required to orient each cilium within the ‘compartmenting lamellae’ that hold the comb rows together.” Knockout experiments showed that without this gene, the comb jellies could not swim. Now, in a new follow-up study published in bioRxiv, Jokura’s team announced the discovery of another required gene they call CTEN189. Without this gene, the cilia become disoriented, out of sync, and disconnected from the compartmenting lamellae (CL). Of particular interest, this protein acts at the opposite end of the CL — the distal end — as opposed to CTEN064 which localizes to the proximal end. This struck the researchers as a kind of “two-story building” arrangement

David Coppedge, “Cambrian Explosion: More Woes and Dodges” at Evolution News and Science Today (David Coppedge)

You may also wish to read: Can the Cambrian Explosion be explained away by the earlier Ediacaran Explosion? David Klinghoffer: Lukas Ruegger is the personable new intelligent design “explainer” whose videos take an approach similar to Khan Academy’s. The latter’s offering on evolution is replete with junk science, as Casey Luskin has detailed. Ruegger’s treatment of the subject is much better, and I appreciate his clarity and brevity.

This time Marshall doesn’t propose oxygen did it, or slime. Instead, he has evolution fly delta. He shares a new proposal that a river delta formed the Chengjiang fossil site, one of the richest Cambrian fossil beds in the world. This makes sense when you don’t think about it. A location prone to violent floods “may have helped drive the evolution of early animals.” A shifting environment “may have helped drive the rapid evolution in the Cambrian.” It “might have” driven rapid evolution. As we all learn, though, “might” does not make right.
I am very glad David Coppedge is writing for ENST. He's a full-fledged genius in my book. "Makes sense when you don't think about it" ... love it. Silver Asiatic
Comb jellies were always comb jellies. Period. martin_r
still just a flesh wound... zweston
Despite this, the Neo-darwinists continue to deny science its fundamental essence—the pursuit of truth. KRock
I keep thinking one day Darwinists will open their eyes to the beauty of design. BobRyan

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