cell theory - ms. kropac_history.pdf · 2019-10-28 · tissue: a grouping of cells of the same...
TRANSCRIPT
Cell Theory
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What is cell
Cell: The basic unit of life
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Characteristics of LifeReproduceGrowExchange GasesDieRespond to the environmentTake in food/release waste
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Cells can vary in
1) Size
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Cells can vary in
2) Shape
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Cells can vary in
3) Features
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Grouping of Cells
Tissue: A grouping of cells of the same types
Cell Tissues Organs Organ Systems Organism
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Cell Theory
All living things are made of cells
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Cell Theory
Cells are the building block of life
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Cell Theory
All cells come from pre-existing cells
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Major Players
Schleiden
“All plants contain cells”
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Major Players
Schwann
“All animals contain cells”
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Major Players
Virchow
“All cells come from other
cells.”
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