The organism recorded in this 2.1-billion-year-old fossil is almost certainly a eukaryote; no prokaryote has been observed to be multicellular with such relatively large cells.

Question

Quizplus · Accepted Answer

Eukaryotes are known for having larger, more complex cells and can be multicellular, while prokaryotes are typically single-celled and have smaller, simpler cells. Therefore, it is highly likely that the organism in the fossil is a eukaryote.

The Organism Recorded in This 2