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Primary succession is the gradual growth of organisms in an area that was previously bare, such as rock. (For example lichens, mosses, and ferns will first appear on bare rock.)
- The first species to grow are pioneer species such as lichens and mosses. - As pioneer species grow and die, soil forms. Some plants grow in the new soil. - As more plants die, they make the soil...
They both taking along time period to form the forest back. Primary approximately thousands of year because they started from an empty land. Secondary approximately only take hundreds of years...