Sentences with phrase «multicellular life emerged»
The fossil record suggests complex multicellular life emerged about 600 million years ago in a relatively short period termed the «Cambrian explosion,» during which most major animal phyla appeared.
https://sbgrid.org/ Not exact matches
Roughly 2.4 billion years ago, a rapid buildup of oxygen in the atmosphere set in motion big changes that allowed multicellular life to emerge.