Ebook Description :

Model 1 primary succession barren rock from beneath a retreating glacier or due to a volcanic eruption low growing plants such as mosses ferns and lichens begin to colonize fast growing grasses flow ering plants and small shrubs begin to take root a thin layer of soil develops. Succession monroe county community school succession 1 succession how do ecosystems develop over time why on may 18 1980 mount st helens in the state of washington erupted with the force of a hydrogen. Model 1 primary succession barren rock from beneath a retreating glacier or due to a volcanic eruption low growing plants such as mosses ferns and lichens begin to colonize fast growing grasses flow ering plants and small shrubs begin to take root. Unformatted text preview succession how do ecosystems develop over timewhy on may 18 1980 mount st helens in the state of washington erupted with the force of a hydrogen bomb the volcano had been dormant for over 120 years but now 57 people were dead and forests and lakes were totally destroyed including nearby spirit lake which became a mud hole. The ecosystems are consistently changing this process is known as succession there are two types of succession primary and secondary primary succession is the series of community changes which occview the full answer