22 hours ago · 1858: Rudolf Virchow: cells can only arise from pre-existing cells. 1859: Charles Darwin and Alfred Wallace: Theory of evolution by natural selection. 1861: Louis Pasteur: Germ theory. 1861: John Tyndall: Experiments in Radiant Energy that reinforced the Greenhouse effect. 1864: James Clerk Maxwell: Theory of electromagnetism.
Scientific theory that living organisms are made up of cells, that they are the basic structural/organizational unit of all organisms, and that all cells come from pre-existing cells
In biology, cell theory is a scientific theory first formulated in the mid-nineteenth century, that living organisms are made up of cells, that they are the basic structural/organizational unit of all organisms, and that all cells come from pre-existing cells. Cells are the basic unit of structure in all living organisms and also the basic unit of reproduction. Wikipedia
