| A | B |
|---|
| cell | basic unit of structure and function in living things |
| microscope | an instrument that makes small objects look larger |
| cell theory | all living things are composed of cells, cells are the basic units of structure and function in living things, and all cells are produced from other cells |
| Robert Hooke | One of the first people to observe cells |
| Anton van Leeuwenhoek | He obseved lake water, rain gutter water, and scrapings from his teeth and gums. He noticed tiny, moving organisms that he named animalcules |
| electron microscope | use a beam of electrons instead of light to produce a magnified image |
| resolution | another term for the sharpness of an image |
| Light Microscope | magnify an object by bending light that passes through them |
