Affect is a psychological term for an observable expression of emotion. A person's affect is the expression of emotion or feelings displayed to others through facial expressions, hand gestures, voice tone, and other emotional signs such as laughter or tears. Individual affect fluctuates according to emotional state.
There are over 3,000 different species of cockroaches-some are considered pests while others are beneficial in their natural environment. The three main types of cockroaches commonly found in homes in South Africa include the German cockroach, Oriental cockroach and American cockroach.
Wherever humans survive, so can some cockroaches. Over the thousands of species, less than a hundred live close enough to humans to be seen by them. Cockroaches range their habitats from moist, dark areas to relatively warm and humid environments.North Carolina and Virginia cockroaches are one of the largest. As well as being a social insect, cockroaches are also nocturnal.Types of cockroaches found throughout the Virginia and North Carolina includes the American Cockroach, Smokey Brown Cockroach and German Cockroach.herever humans survive, so can some cockroaches. Over the thousands of species, less than a hundred live close enough to humans to be seen by them. Cockroaches range their habitats from moist, dark areas to relatively warm and humid environments.