(April 2011). Consumer Behaviour is the study of individuals, groups, or organizations and the processes they use to select, secure, use, and dispose of products, services, experiences, or ideas to satisfy needs and the impacts that these processes have on the consumer and society.
Lichen on tree bark. The definition of a lichen is a plant found on rocks or trees made of both a specific fungus and a specific algae that help one another. An example of a lichen is the colored patch growing on a tree branch. lichen.
The word lichen appeared around 1600, and was drawn from the Greek leikhÄn, meaning what eats around itself.. This is a good meaning for what the word represents, as lichen is comprised of fungus cells that literally surround the algae cells to form a mutualistic bond. Because of the crusty look of a lichen, the name has also been given to a number of skin diseases that present the same patchy look as the fungus-algae.