These changes are an example of the growth of a forest through ecological succession.
<h3>What is ecological succession?</h3>
Ecological succession refers to the structure in which the species and habitat over an area changes over a given period of time. It is the evolution of the new plants and animals over that area.
The complete question has been attached below.
In the above case, The plant life in the Mount St. helens will evolve again after 100 years which destroyed due to the volcanic eruptions in the year 1980. Thus this process is known as Ecological succession.
Through this process regeneration of the plants and wildflowers will take place and gradually the trees, plants, shrubs, species and creatures will settle there.
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