Then, for reasons still obscure, there was an explosion of multicellular life.
But we're only aware of multicellular life evolving three times, which suggested it might be a major hurdle.
These soft-bodied fossils are the first record of multicellular life.
Since when did multicellular life only evolve 3 times?
We've observed the evolution of multicellular life in this experiment.
According to the Nature news article multicellular life has arisen at least 25 times.
There is something disquieting about the reductionist view of multicellular life.
The first multicellular life, 650 million years ago, explodes 15 feet from the end of the ramp.
It's about as close as we've come to having multicellular life wiped out.
Medea represents the Earth, and her children are multicellular life.