That one cell is called the Last Universal Common Ancestor (LUCA). It probably existed around 3.5 billion years ago. LUCA was one of the earliest prokaryotic cells. It would have lacked a nucleus and other membrane-bound organelles.
It is believed that the prokaryotes , are the first living cells in earth, and was also said to came out of existence about 3.5 and 4.1 billion years ago
Explaination:
prokaryotes is the answer , hope this helps you and everyone, Thank you <3
