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.
Sternberg, Ennis, and Lipman assert that critical thinking skills are not a fixed entity but a form of intelligence that can be taught.16-19 The ability to develop critical thinking skills may be likened to Piaget's concrete and formal operations.