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He discovered the cellular composition of cork and introduced the word cell to science. He made the discovery while looking at a cork under a microscope describing pores or "cells": the boxlike cells reminded him of a monastery. This was the first discovery of the cell.
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He improved magnification of microscopes by polishing lenses which made it easier to see cells. In 1683, he then discovered bacteria from a sample of saliva from his mouth. While studying pond water he found the protozoa cells. It improved Hooke's by showing that living organisms have cells.
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Discovery 1 year old ash tree
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He proved that smaller organisms don't have the same organs as larger organisms. He disproved Ehrenberg by studying these microscopic organisms.
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He found that plants have and are made up of cells. He helped to prove Leeuwenhoek's theory that all things are made of cells.
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He proved that animals were also made up of cells. He confirmed Schleiden's theory and he improved because he found that animals are also made up of cells.
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He was the first to study respiration among all living organisms. His model was the first to studty respiration.
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Virchow stated that all living things come from other living things. He made this discovery while expirementing with diseases.
