(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.
lichen (countable and uncountable, plural lichens or 1  ) Any of many symbiotic organisms, being associations of fungi and algae; often found as white or yellow patches on old walls, etc. 1894 â Rudyard Kipling, The Jungle Book, Lukannon The Beaches of Lukannonâthe winter wheat so tallâ.