First one is :Primary succession begins with soil formation. The first stage of succession involves pioneer species. In primary succession, pioneer plants are those that can grow without soil, such as lichens. Lichens begin breaking down a rock. Second one is: Plankons, fungi, bacteria, lichens. Third one : is An adaptation . Fourth one :is Secondary succession. fifth one: is The series of changes that occurs in an area where no soil or organisms exists is called as primary succession.
