Psuedostratified columnar epithelium
A microscope is an instrument which makes an object appear bigger than it is. It took the invention of this relatively simple tool to lead to the discovery of cells<span>. In the 1660s, Robert Hooke began using microscopes to look at all sorts of materials. Anton van Leeuwenhoek took up similar work in the 1670s.</span>
They develop into the cell wall and cell membrane
B) Vacuoles allow water to enter and exit the paramecium.
