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Disected animals and studied the ways they reproduce.
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The idea that nonliving matter can generate living tissue.
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Developed a microscope with 2 tubes with a lens at the end of each focused by twisting the tubes. His invention allowed other scientists to observe different things.
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His fermentation experiment allowed him to believe that each of the principle organs of the body contain a ferment that allowed the assimilation of food into body tissues. He also thought disease was caused by foreign ferments, thus diseases had to be treated indicidually with its own cure.
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He observed cork cells, he developed his discovery into the cell theory. He examined his experiments using a primitive microscope.
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In 1678 Leeuwenhoek reported that he observed "little animals" in a microscope.
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Known for describing microscopic particle agitation in water or gases, movement now called Brownian motion. Gave the name nucleus to the specialized body that regulates the functions of a living cell.
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He was the first to recognize that all plants and plant parts are composed of cells.
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Made similar conclusions, like Schleiden while examining animal cells. He also published "Microscopic Investigation on the Accordance in the Structure and Growth of Plants and Animals." His book had the first statement of the cell theory "all living things are made of cells."
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Observed that plants and animals are made up of tiny living "infusoria" that led to the cell theory.
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His experiments led to the discoveries of the stucture of the smooth muscle, the development of red blood cells, and the significance of the germ layers in development.
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Said that cells must come from pre-existing cells, this idea was radical because at the time people believed in spontaneous generation. Also analyzed the effects of diseases in organs and tissues. He studied diseases such as cancer.
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He set out to disprove spontaneous generation by using a now-classic experiment. Also had the idea that bacteria spread and living things came from living things.
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Living things are composed of cells and come from cells.
