The native habitat of the sawtooth oak tree is Japan, Korea, China and the Himalayan Mountain range. The tree was introduced to America in 1862. This oak probably derives its name from the distinctive sawtooth-edged leaves it produces.
Occidental are native people from the western hemisphere (Europe, North America, South America) Oriental are native people from the eastern hemisphere (the countries of Asia), although Oriental is now largely consider an offensive word and the preferred word is Asian. Below is a note from freedictionary.com about why Oriental is offensive
Dasein (. [ËdaËzaÉªn]) is a German word which means being there or presence (German: da there; sein being) often translated in English with the word existence.It is a fundamental concept in the existential philosophy of Martin Heidegger particularly in his magnum opus Being and Time.ome scholars disagree with this interpretation, however, arguing that for Heidegger  Dasein  denoted a structured awareness or an institutional way of life. Others suggest that Heidegger's early insistence on the ontological priority of Dasein was muted in his post-war writings.