The Evolution of Cell TheorySince the beginning of humanity, science has been a developing subject full of mystery and questions. These questions could be as small as why closet doors close more easily in winter than in summer, and as large as how the universe was created. There are many science topics such as chemistry, biology, and physics, each with their own questions that need to be answered. They each have their own theories that have developed since their beginnings; but what is a theory? Well, according to the Merriam-Webster Dictionary, a theory is “an idea or set of ideas intended to explain facts or events.” Theories are a way to provide a simple explanation of a broad topic. Without theories, humanity would have to continue to explain a matter without having an explanation for the things related to it. However, theories are not just about science. There are mathematical, musical and almost every subject in this world. Keep in mind that a theory is not a law. For example, a famous scientific theory that most people have heard of is the Big Bang theory. This theory is an effort to explain what happened at the very beginning of our universe; however, this theory explains other theories which in turn explain other theories, thus creating a huge chain of theories which become more specific as you go down the chain. The key word is that it is an effort to explain something. Theories are constantly developing and never really stopping, because everything has been neglected. Another famous theory falls under the scientific theme of biology; cell theory. This theory refers to the idea that cells are the basic unit of structure of all living things, and it confirms this with three other...... middle of paper...... on the core. After all these discoveries, Henri Dutrochet finally intervened and made the ultimate link between animal and plant cells. He stated that the cell was not only a structural unit, but also a physiological unit; “It is clear that it constitutes the basic unit of the organized State; indeed, everything ultimately flows from the cell,” Henri asserted. Durtrochet also proposed that new cells came from old cells, a view previously expressed by François Raspail. /www.xtimeline.com/evt/view.aspx?id=366449 http://www.smithlifescience.com/celltheory.htm http://www.cpschools.com/Schools/OSM/theory.htm http:// www.brighthub.com/science/genetics/articles/23805.aspxhttp://www.biologyreference.com/Gr-Hi/History-of-Biology-Cell-Theory-and-Cell-Structure.html