Cell Theory Developed by 3 people: Theodor Schwann Matthias Schleiden

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Presentation transcript:

Cell Theory Developed by 3 people: Theodor Schwann Matthias Schleiden Rudolf Virchow

Cell Theory Parts All living things are made of one or more cells Amoeba (one celled organism) Human red blood cell Plant cell

Cell Theory Cell is the basic unit of life - Smallest part which can live on its own

Cell Theory 3. Cells only come from other cells

Cell Theory Energy flow happens in all cells - (They get food or energy from somewhere in their environment. Ex. : sun, eating other cells, or volcanic gases)

Cell Theory 5. Heredity information (DNA) is contained in all cells and passed from cell to cell.

Cell Theory 6. All cells are made of the same basic chemicals

Why Viruses are Not Alive Does have DNA, but…. Can not replicate on its own. Does not have any organelles Not made up of cells Flu virus