From similarity and differences of morphological, biochemical, cellular characteristics, biologist have constructed 'phylogenetic (evolutionary) trees' (who is most closely related to who, analogous to a family tree)
In the United States, lightning routinely kills more people each year than tornadoes or hurricanes. Tornadoes, hail, and wind gusts get the most attention, but only lightning can strike outside the storm itself. Lightning is the first thunderstorm hazard to arrive and the last to leave.
Claim: Lightning strikes have killed people who were talking on the telephone. Status: True. Origins: Lightning ranks second only to floods in storm-related deaths in the United States. more than 60 people are killed by it each year.