Detection of Stimuli. In order for an organism (such as a plant or an animal) to adjust to a change in the environment, it must first be able to detect (or physically recognize) the change. This detection of a stimulus is called sensitivity.timuli and responses are not only associated with the external environment, but are also found in the internal environment of organisms as well. Any stimulus within the body of the organism must be detected as well in order for the organism to survive.
The Conference Board's consumer confidence index is the most widely accepted index among the United States media, businesspeople, and many consumers. [citation needed] The chart to the left shows the index over time from December 1966 to April 2012.
When you buy a good or service, you rarely have perfect knowledge of its quality and safety. You are justifiably concerned about getting âripped off.â Thus the need for consumer protection. Economic activity flourishes when consumers can trust producers, but the consumer must have grounds for trust. Consumers value, then, not only quality and safety, but also the assurance of quality and safety. Trust depends on assurance. free markets generate numerous forms of assurance.