Elizabeth was studying the history of the cell theory and the contributions of different scientists. She made this table to compare two of the scientists. Which pair of scientists should Elizabeth write instead of X and Y? Schwann and Hooke Х Y Hooke and Schleiden observed objects using a microscope observed small organisms Hooke and Leeuwenhoek using his own version of a b Virchow and Schwann microscope called what he observed "cells" called what he observed "animalcules"​