Eukaryotes have a nucleus (like animal cells) but prokaryotes do not have a nucleus (they are plant cells)
The invention of the microscope allowed the first view of cells. English physicist and microscopist Robert Hooke (1635–1702) first described cells in 1665. He made thin slices of cork and likened the boxy partitions he observed to the cells (small rooms) in a monastery.
I think it might be Rainfalls? That’s just what I think might be the answer