The process by which different kinds of living organisms are thought to have developed and diversified from earlier forms during the history of the earth.
<span>Evolution is change in the heritable traits of biological populations over successive generations. Evolutionary processes give rise to diversity at every level of biological organization, including the levels of species, individual organisms, and molecules.</span>
<em>Reportable diseases are divided into several groups: Mandatory written reporting: A report of the disease must be made in writing. Examples are gonorrhea and salmonellosis. Mandatory reporting by telephone: The provider must make a report by phone.</em>