Ecological Succession

Ecological succession refers to the gradual process of change in the composition of a biological community over time. It occurs when an ecosystem undergoes a disturbance or is created anew, such as after a fire, flood, or volcanic eruption. The process of succession can be classified into two types: primary and secondary succession.

Primary succession occurs when an area is completely devoid of life and lacks soil. In this process, the first colonizers of the area are usually lichens _____ _________ ________ _________ _____ ____ __________ ______ ________.
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