Wiktionary
protobionts
n. (plural of protobiont English)
Usage examples of "protobionts".
I have rocks from the pre-Cambrian, three-billion-year-old rocks, containing fossils of protobionts, the first, single-celled life forms, our remotest ancestors.
To a god, life is a single organism proliferating in all directions all over the earth, and now on the moon and Mars, and the whole process from the first of the protobionts to George Dorn and fellow humans takes no longer than.