Ikaria wariootia is just another problematic Ediacaran fossil that could be anything from inorganic artifact to protozoan to cnidarian and yes, maybe a bilaterian worm.
I promised last year to follow up on more alleged Ediacaran animals. Now is a good moment to come back to this, with a new study having just been published in the journal Nature Communications.
Certainly, we find organisms that are “morphologically intermediate,” bearing resemblances to organisms that came before and others that came later.
Scientists debate whether ctenophores are the earliest animals to appear in the Cambrian explosion. If so, they arrived with multiple tissues, a nervous system, and a digestive system.
In a new video for PragerU, Stephen Meyer recaps two big reasons to doubt the evolutionary account of life’s origins.