A directional growth movement of a plant part in response to chemicals would logically be termed:

The directional movement of a germinating seedling, where the seedling pushes soil aside as it comes... Science · Control and Coordination Movements such as a cat running or buffaloes chewing cud are examples of movement that is: Science · Control and Coordination We tend to associate visible movement with life mainly because movement is often seen as: Science · Control and Coordination Living organisms use changes in their environment to their advantage, for example, plants growing ou... Science · Control and Coordination