Taxis response is to move towards or away from the stimulus. If the organism moves towards the stimulus the taxis is positive, while if it moves away the taxis is negative. For example, flagellate protozoans of the genus "Euglena" move towards a light source. This reaction or behaviour is called "positive phototaxis", since phototaxis refers to a response to light and the organism is moving towards the stimulus. Many types of taxis have been identified, including: Depending on the type of sensory organs present, a taxis can be classified as a "klinotaxis", where an organism continuously samples the environment to determine
Prince Ludwig Philipp of Thurn and Taxis Prince Ludwig Philipp of Thurn and Taxis Prince "Ludwig Philipp" Maria Friedrich Joseph Maximilian Antonius Ignatius Lamoral of Thurn and Taxis, full German name: "Ludwig Philipp Maria Friedrich Joseph Maximilian Antonius Ignatius Lamoral, Prinz von Thurn und Taxis", also "Louis Philippe" (2 February 1901, Regensburg, Kingdom of Bavaria – 22 April 1933, Schloss Niederaichbach, Niederaichbach, Bavaria, Germany) was a member of the House of Thurn and Taxis and a Prince of Thurn and Taxis by birth. Ludwig Philipp was the fourth child and son of Albert, 8th Prince of Thurn and Taxis and his wife Archduchess Margarethe Klementine of Austria.