Ecology. The bacteria that cause plague, Yersinia pestis, maintain their existence in a cycle involving rodents and their fleas. In urban areas or places with dense rat infestations, the plague bacteria can cycle between rats and their fleas.lague bacteria are most often transmitted by the bite of an infected flea. During plague epizootics, many rodents die, causing hungry fleas to seek other sources of blood. People and animals that visit places where rodents have recently died from plague are at risk of being infected from flea bites.
The interdependent thinking has been applied to develop varying business management and talent development models; such as, Human Factors spectrum model includes more detail about referential interdependent factors, organizational / governance, human-machine-interfaces, transitional factors, organization of work, procedures etc.
Interdependence is the mutual reliance between two or more groups. In relationships, interdependence is the degree to which members of the group are mutually dependent on the others. This concept differs from a dependent relationship, where some members are dependent and some are not.nterdependence is measured by the costs of severing the relationship (or the benefits of developing it). The higher the costs to one country, the greater is the degree of dependence of that country.