Veterans Day History. So now that you know when Veterans Day 2015 will be celebrated, on to a bit of history. The day â November 11 â marks the end of World War I, and was originally known in the United States as Armistice Day. This changed in 1954, when it became officially known as Veterans Day.
Malthius proposed a systematic theory of population. He believed that population growth is potentially exponential while the growth of the food supply is arithmetical at best. Linnaeus is the father of Taxonomy.he classified, named and ranked the organisms. So, Darwin proposed the idea of studying humans as groups rather than as individuals. (B) Report.
This discovery is largely attributed to Robert Hooke, and began the scientific study of cells, also known as cell biology. Over a century later, many debates about cells began amongst scientists. Most of these debates involved the nature of cellular regeneration, and the idea of cells as a fundamental unit of life. Cell theory was eventually formulated in 1838. This is usually credited to Matthias Schleiden and Theodor Schwann. However, many other scientists like Rudolf Virchow contributed to the theory.