9 nov 2017 - First cells develop on Earth
Description:
Single-celled micro-organisms or microbes lacking a cell nucleus or cell membrane known as prokaryotes, seem to have first appeared on Earth almost four billion years ago, just a few hundred million years after the formation of the Earth itself.Ajouté au bande de temps:
Date:
9 nov 2017
Maintenaint
~ Il y a 6 ans et 6 mois
