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.
What is concrete thinking in schizophrenia. Concrete thinking is a problem associated with various psychiatric disorders such as schizophrenia. It is defined as inability to think in abstract terms. Abstractions and symbols are interpreted superficially without fact, finesse or any awareness of nuance. The person is unable to free himself from what the words literally means.