taxis
directed movement of a motile cell or organism in response to an external stimulus
chemotaxis
movement or growth of a cell or organism guided by a specific chemical concentration gradient
Electrotaxis
biological electric field sensitivity
escape response
rapid series of movements performed by an animal in response to possible predation
Thermotaxis
The directed movement of a motile cell or organism in response to a temperature gradient. Movement may be towards either a higher or lower temperature.
thigmotaxis
The directed movement of a motile cell or organism in response to touch.