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Not real date. The actual date is around 384 B.C. I used this date so the timeline would scale out. He was theorizing on how animals and plants were developed. http://www.ucmp.berkeley.edu/history/aristotle.html
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He invented the first microscope, without this people would've never seen a cell bitesizebio.com/articles/history-of-cell-biology/
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He was arrested for the crime of studying plants. He study how plants reproduce and grow. The contempory theory was that plants grew by eating soil. His theory was wrong, but he discovered how they grew. http://www.bbc.co.uk/learningzone/clips/van-helmonts-experiments-on-plant-growth/12895.html
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He gave cells there name, while he was looking at cork. Without him cells would've never been discovered or would've been discovered way later. bitesizebio.com/articles/history-of-cell-biology/
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He saw the first live cell. He witnessed a live cell under microscope. He saw bacteria 9 years later. bitesizebio.com/articles/history-of-cell-biology/
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Oken wrote a book, in this book he stated all organic beings originally from and consist of vesicles or cells. He came up with the idea of animal classification http://en.wikipedia.org/wiki/Lorenz_Oken
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Brown descibes the cell nucleus in cells, without Brown we wouldn't have known the description of the cell nucleus. The dark patch in the image is the nucleus. bitesizebio.com/articles/history-of-cell-biology/
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These intelligent men started us off in the right direction for cell theory. They discovered that animals were made up of cells and plants were made up of cells bitesizebio.com/articles/history-of-cell-biology/
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He realized that sperm cells and egg cells are also cells. Without this we may have never known hoe reproduction works or even genes. bitesizebio.com/articles/history-of-cell-biology/
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Rudolf told us where cells come from, they come from existing cells He stated that all living things come from other living things bitesizebio.com/articles/history-of-cell-biology/
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Louis Pasteur set out to disprove spontaneous generation with a now-classic experiment that both firmly established the cell theory beyond doubt and solidified the basic steps of the modern scientific method. http://www.britannica.com/EBchecked/topic/445964/Louis-Pasteur
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Ernst Abbe and Carl Zeiss invent the modern compound light microscope http://www.google.com/imgres?client=safari&sa=X&rls=en&biw=1024&bih=823&tbm=isch&tbnid=8YEeMaBR0tqcOM:&imgrefurl=http://edtech2.boisestate.edu/pattymcginnis/506/Cell_Site/506_cell_theory.html&docid=4nZGhbnOw6DfnM&imgurl=http://edtech2.boisestate.edu/pattymcginnis/506/Images/timeline2.gif&w=773&h=1093&ei=6PR_UtntKu6w4AO9t4D4Bg&zoom=1
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Ruska builds the first transmission electron microscope http://www.biology.arizona.edu/cell_bio/tutorials/cells/cells3.html
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the scanning electron microscope was invented http://www.google.com/imgres?client=safari&sa=X&rls=en&biw=1024&bih=823&tbm=isch&tbnid=8YEeMaBR0tqcOM:&imgrefurl=http://edtech2.boisestate.edu/pattymcginnis/506/Cell_Site/506_cell_theory.html&docid=4nZGhbnOw6DfnM&imgurl=http://edtech2.boisestate.edu/pattymcginnis/506/Images/timeline2.gif&w=773&h=1093&ei=6PR_UtntKu6w4AO9t4D4Bg&zoom=1
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The cell theory explains the relationship between cells and living things. The cell theory states:
- All living things or organisms are made of cells and their products.
- New cells are created by old cells dividing into two.
- Cells are the basic building units of life.
without these men and the inventions there would be no such thing of cell theory
