Prokaryotes are organisms that do not have a nucleus defined to their layers while eukaryotes are the animals or plants having a nucleus bounded to the nuclear membrane.
To resolve the cell variety of newly found organism one can check for the nucleus and membrane-bound cell components.
If the cell has a nucleus bordered by a sheath along with organelles like mitochondria, Golgi, ER, plastids etc then it will belong to eukaryotes.
If the cell does not contain a membrane defined nucleus and rather have a nucleoid possessing the genetic material then the cell is a prokaryote cell.
To learn more about prokaryote and eukaryote follow the link:
https://brainly.com/question/1100720
