200 A Industrial fuse. 80 kA breaking capacity. In electronics and electrical engineering, a fuse is an electrical safety device that operates to provide overcurrent protection of an electrical circuit including the source of power and the load.
In order for natural selection to operate on a trait, the trait must possess heritable variation and must confer an advantage in the competition for resources. If one of these requirements does not occur, then the trait does not experience natural selection.
Natural selection is the same as selective breeding, except that the selecting of genes is done by nature, rather than by people. For example, Arctic wolves live in. the very cold climate beyond the Arctic circle. They have. thick coats, small, round ears and short legs so they donât. lose body heat.