When seawater gets cold, it gets viscous. This fact could explain how single-celled ocean creatures became multicellular when the planet was frozen during “Snowball Earth,” according to experiments.
I wouldn’t say prevailing theory, surface water bodies are also in the mix. Also this article is in regards to multicellular life, not the very beginning of life.
I wouldn’t say prevailing theory, surface water bodies are also in the mix. Also this article is in regards to multicellular life, not the very beginning of life.