Jean Baptiste Lamarck and others recognized that this nested, hierarchical pattern would be produce if organisms evolved from common ancestors. Systematics is the study of the diversity and relationship of organisms (how these organisms are named and classified is the discipline of taxonomy).
In addition to the visible flash that travels through the air, the current associated with the lightning discharge travels along the ground. Although some victims are struck directly by the main lightning stroke, many victims are struck as the current moves in and along the ground. â¢ If you can hear thunder, you are within 10 miles (16 kilometers) of a stormâand can be struck by lightning. Seek shelter and avoid situations in which you may be vulnerable.
A lightning current may also hit a tree, building, or object and then travel to you. It can also travel from person to person or from telephone wires to you. A lightning current may also travel on the ground from the site of the strike to you. The force produced by lightning can also throw you 10 yards or more. This type of injury can damage several parts of your body because of the fall.