Answer:
Both observe little creature.
Explanation:
Leeuwenhoek's observations of animalcules is similar to Hooke's observations of cells in the cork because both used microscope to see little creature. There is also a difference between both scientist's observation because one observe living creature and the other observe non-living thing. Leeuwenhoek observe protists in the pond which he named animalcules while on the other hand, Hooke observe the cell wall in cork tissue.