Obviously, the same problem extends into all other aspects of lodging with companion(s). Just as common is traveler's diarrhea, because it disrupts stools and leads to the inevitable constipation; Cause-and-effect: Most people believe traveler's diarrhea is caused by contaminated food or water.
variation in a characteristic that is a result of genetic inheritance from the parents is called inherited variation children usually look a little like their father and a little like their mother but they will not be identical to either of their parents
exists and is an alternate of 1  . Genetic variation (the ability of organisms to adapt over time). Due to the fusing of gametes (one from each parent), the offspring displays a mixture of traits.  Energy must be consumed to find a suitable mate.