[Solved] Action potentials pass from one cardiac muscle cell to another through areas of low electrical resistance called A) gap junctions. B) fibrous heart rings. C) electromagnetic discs. D) sarcolemma sclerotic plaques. E) tight junctions. Natural Selection: The evolutionary process through which factors in the environment exert pressure, favoring some individuals over others to produce the next generation. Combat: A situation where armed conflict or fighting occurs between entities such as nations, states, or other organized groups or between individuals. Males: Refers to the sex that produces small, mobile gametes, typically found in humans and many other species as part of two primary biological categories, male and female. Great Council: A historic or formal assembly of leaders, elders, or representatives convened to make important decisions, often seen in governmental or tribal systems.