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Cells are the basic buildiing block of life. Cells are so small you need to use a microscope to see them. Every living organism is made of cells or just one cell.

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organism is made of one or more cells.

Cells are the unit of structure and function in an every organism.

Cells come from existing cells. (they divide)

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The two main types of cells are Eukaryotic cells and Prokaryotic cells. Eukaryotic cells have a nucleus while Prokaryotic cells don't. Some examples of Eukaryotic cells are animal cells, plant cells, Lymphocyte, and Paramecium. Some examples of Prokaryotic cells are bacteria

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Anton Van Leeuwenhoek was the first person to see living cells in a drop of pond water. He is also one of the most successful cell observers. He used a microscope that he made.

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Robert Hooke was the first person to see dead cells. He used one of the earliest microscopes to see them.

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Randolph Virchow made the hypothesis that cells divide from already existing cells.

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Animal cells are more round and plant cells are more rectangular. Plant cells have chloroplasts, one large vacuole, a cell wall, and they lack lysosomes. Animal cells have lysosomes and multiple vacuoles.