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
A Kind of a Stopwatch A Kind of a Stopwatch "A Kind of a Stopwatch" is an episode of the American television anthology series "The Twilight Zone". In this episode, a man acquires a stopwatch which can stop time. Patrick McNulty is a self-important, annoying boor in his 40s. One day, he is summoned by his boss. He is delighted, believing that his frequent contributions to the suggestion box have earned him recognition. His boss, however, says that all of McNulty's suggestions deal with fields of enterprise in which the company is not involved. The boss fires McNulty for wasting his time. McNulty goes to