Behavior
And Paramecium
Using environmental cues to navigate from one area to another. This type of behavior is very basic but many different animals use taxis behaviors. For example, houseflies are negatively phototactic.
Taxis: the automatic movement towards or away from a stimulus.
Phototaxis: movement towards or away from light
Geotaxis: movement towards or away from gravity
Galvonotaxis: movement towards or away from electrical stimuli.