Photoperiodism is a response that certain plants have to decreases or increases in the amount they receive in a day (which is normally produced by seasonal movement of the su â¦ n-longer and shorter days).  Some plants require short days to initiate flower formation, while others long day length initiates flowering.
October 24, 1945. Akershus, Norway. Vidkun Quisling, (born July 18, 1887, Fyresdal, Nor.âdied Oct. 24, 1945, Akershus Fortress, Oslo) Norwegian army officer whose collaboration with the Germans in their occupation of Norway during World War II established his name as a synonym for âtraitor.â.
Definition of QUINTESSENCE. 1. : the fifth and highest element in ancient and medieval philosophy that permeates all nature and is the substance composing the celestial bodies. 2. : the essence of a thing in its purest and most concentrated form. 3. â quinÂ·tesÂ·senÂ·tial \Ëkwin-tÉ-Ësen(t)-shÉl\ adjective.