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
Princess Christa of Thurn and Taxis Princess Christa of Thurn and Taxis Christa Ingeborg Prinzessin von Thurn und Taxis (née Heinle, born 14 December 1941) is the current president of the Bavarian Red Cross (BRK) and a member of the Princely House of Thurn and Taxis by marriage. Christa Heinle married Prince Max Emanuel of Thurn and Taxis, only child of Prince Raphael Rainer of Thurn and Taxis and his wife Princess Margarete of Thurn and Taxis, civilly on 14 March 1973 in Schwangau, Bavaria, Germany and religiously on 15 March 1973 at Schloss Bullachberg in Bavaria. Christa and Max Emanuel had two sons: Beginning in