In British English a receipt is a piece of paper that you get in a shop when you buy something, but in American English the more usual term for this is sales slip. I wrote her a receipt for the money.
Primary succession is the series of community changes which occur on an entirely new habitat which has never been colonized before. Examples of such habitats would include newly exposed or deposited surfaces, such as landslips, volcanic lava and debris, elevated sand banks and dunes, quarried rock faces.
An example of secondary succession is the development of new inhabitants to replace the previous community of plants and animals that has been disrupted or disturbed by an event (e.g. forest fire, flood, harvesting, epidemic disease, pest attack, etc .). Compare: primary succession.See also: ecological succession.econdary succession. Definition. noun. The ecological succession that occurs on a preexisting soil after the primary succession has been disrupted or destroyed due to a disturbance that reduced the population of the initial inhabitants. Supplement.