Tag: Precambrian
Scientific Paper Reaffirms New Genes Required for Cambrian Explosion
The notion that many genes would be required for the Cambrian explosion may seem unsurprising — what is surprising is that anyone would challenge the idea.
Kimberella and Controversial Relationships — A Chronological Synopsis, Continued
One researchers has preferred to classify Kimberella among the Ediacaran “fossil problematica.”
Kimberella — Interpreting the Fossils
One of the few features that are uncontroversial is the body size: The fossils measure usually 1-5 cm in length.
Design in the First Animals
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.
Explaining Animals: A Random Walk
To see what evolutionists are up against, read about a giant trilobite found in Australia.