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Jan 1, 1000
Aristotle
Classified animals to discover connections between the soul and the human body
In 384 B.C. -
First microscope
Zacharias Jansen created the first microscope -
Tree experiment
Jan Baptist van Helmont was arrested for testing how trees grew everyone originally thought that trees grew but eating soil. Helmont made an experiment and concluded that plants ate only water. He was wrong but in was closer than the previous accusation. -
The Discovery of cells
Robert Hooke looked at a slice of cork and saw a honeycomb structure and named it a cell -
Living cells observed
Anton van Leeuwenhoek sees the first living cell from pond water -
Animal classification
Lorenz oaken Invented a different way of classifying animals -
Nucleas discovery
Robert Brown discovered the nucleas of a cell -
Animal cells
Theodor Schwann made the discovery that not only plant but animals too composed of cells -
Egg cells
Albrecht von Roelliker discovered that sperm and eggs are cells -
Development of cells
Rudolf Virchow Proposed that Diseased cells came from Healthy cells -
Spoil proof
Luis Pasteur found a way of keeping food from going bad and making people sick -
Plant cell discovery
Matthias Schleiden made the discovery that all plant have cells and that cells are the building blocks of all plants -
Aristotle
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Aristotle
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Aristotle
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Aristotle
Classified animals to discover connections between the soul and the human body