StriVectin is one of the leading names in stretch mark removal creams. This product claims to improve the appearance of both stretch marks and wrinkles, with visible results as early as two weeks after beginning a regular beauty regime. However, some marks may take up to eight weeks to show improvement.
Primary succession. Definition. noun. An 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.
The difference is that primary succession begins in a new environment, like bare rock; secondary succession begins in an area from which a pre-existing community has been removed, such as a burned-out forest.Source(s): Asst Prof Â· 6 years ago.Thumbs up.econdary Succession-succession that begins after a disturbance that has left some of the previous community intact-e.g. abiotic disturbance (i.e. fire and storms) or human disturbance (agriculture, forestry, development) Similarities: 1.