The Cell Theory. All living things are composed of one or more cells Cells are organisms’ basic units of structure and function Cells come from existing cells. Robert Hooke. English scientist 1665 cut a thin slice of cork and observed with a microscope - PowerPoint PPT Presentation
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The Cell Theory
The Cell TheoryAll living things are composed of one or more
cellsCells are organisms basic units of structure and functionCells
come from existing cells
Robert HookeEnglish scientist1665 cut a thin slice of cork and
observed with a microscopeHooke saw small boxes and named them
cells after the small rooms monks live in
Anton van LeeuwenhoekDutch microscope maker1675 first person to
see living cells under the microscopeLooked at a sample of pond
water
Rudolph Virchow1858, German doctorSaw cells couldnt develop from
anything other than other cells
Theodor Schwann1839 German zoologistConcluded that all animals
are composed of cells
Matthias Schleiden1838German botanistConcluded that all plants
are composed of cells
