| A | B |
| cells | basic units of structure and function in living things |
| microscope | an instrument that makes small objects look larger |
| compound microscope | a light microscope that has more than one lens |
| cell theory | all organism made of cell, structure & function of life, cells come from cells |
| magnification | ability to make things look larger than they are |
| convex lens | lens with a curved shape |
| resolution | ability to clearly distinguish the individual parts of an object |
| Robert Hooke | discovered cells |
| Rudolf Virchow | said all cells come from existing cells |
| Matthias Schleiden | said plants are made of cells |
| Theodor Schwann | said animals are made of cells |
| Anton Leeuwenhoek | saw one celled organisms he called animalcules |