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Discovering Cells
Cell Theory
Term | Definition |
---|---|
cell | basic units of structure and function in living things |
microscope | the invention that made it possible for people to discover and learn about cells |
cell theory | theory that explains the relationship between cells and all living things. |
Robert Hooke | one of the first people to o9bserve cells. He gave them their name. |
Anton van Leeuwenhoek | looked at lake water and teeth scrapings. He called these organisms "animalcules" meaning "little animals". |
Matthias Schleden | concluded that all plants are made of cells. |
Theodor Schwann | concluded that all animals are made of cells. |
Rudolf Virchow | conclude that all cells come from cells. |
Magnification | how much larger an object appears. Found by multiplying the eye piece by the objective lens. |
Resolution | the ability to distinguish the individual parts of an object. |
Compound Microscope | uses two convex lenses and light to produce a magnified image. |
Electron Microscopes | uses a beam of electrons to produce a magnified image. |