What is Biotic or Ecological Succession? The biotic communities are not stable but undergo regular changes in a definite manner with the passage of time. Every community undergoes a series of changes until a group of organisms is established, which can live and reproduce most successfully in the area. “The change of plant and animal community in an orderly sequence in an area, resulting in the establishment of a stable or climax community is called ecological or biotic succession.” Biotic or ecological succession generally occurs in areas where plants would not normally grow due to the absence of soil nor … Continue reading Ecological Succession or Biotic Succession