Answer:
Fleas, bedbugs and lice are insects, whereas ticks and mites belong to another group of arthropods, the Acarina. Unlike adult insects they have only two main sections to their body, and the adults have four pairs of legs (as opposed to three pairs in insects).
This is where god was like oh no lol
Well, the invention of cars and buses made a great change in history marking it easier to get from place to place