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.
The primary succession is important in pioneering the area to create conditions favorable for the growth of other forms of plants and animals. Compare: secondary succession. See also: ecological succession. Please contribute to this project, if you have more information about this term feel free to edit this page.n ecological succession that occurs following an opening of uninhabited, barren habitat or that occurs on an environment that is devoid of vegetation and usually lacking topsoil. Supplement.