We tend to associate visible movement with life mainly because movement is often seen as:

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 Living organisms use changes in their environment to their advantage, for example, plants growing ou... Science · Control and Coordination Why do we whisper rather than shout when talking to friends in class? controlled movement Science · Control and Coordination