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Science Notes for Cell Quiz 1 – Condensed Notes The CELL is the basic unit of living things. Living Things have this in common: 1 organization - made up of cells, similar chemicals 2 use energy 3 has ability to develop and grow 4 ability to respond to environment 5 ability to reproduce 6 ability to adapt to environment CELL THEORY: 1. all organisms are composed of 1 or more cell 2. cell is the most basic unit of structure & organization in living things 3. all cells come from other cells MICROSCOPES led to discovery of cells because it makes objects appear bigger than they are **study your microscope paper with parts labeled Know your FAMOUS SCIENTISTS : ZACHARIS JANSSEN – made the first compound microscope, made lenses for eyeglasses with his son ANTON VAN LEEUWENHOEK – made a simple microscope and observed pond scum through his microscope and called the small cell organisms “animalcules” ROBERT HOOKE – discovered cells while looking at a thin slice of cork and CALLED THEM CELLS MATTHIAS SCHLEIDEN – concluded that plants are made of cells ( clue – sliding (Schleiden) on a banana peel (plant) THEODORE SCHWANN – stated that all animal tissues are composed of cells ( clue – Schwann/swan/animal ) RUDOLPH VIRCHOW – concluded that all cells come from other cells