Primary and Secondary succesions

Primary succesion

Primary succesion starts from bare rock and then lichens start to grow on the bare rock.After that shrubs and small trees start to grow and then the trees grow huge and there is alot of plants everywhere .After that there will be a forest fire ,or humans will cut down the forst to builad a neiborhood .

Secondary succesion

Secondary succesion starts by a forest fire that burns the whole forest down and then a plant grows after time .After the plant grows bushes and small trees grow and then tall trees and alot of plants start to grow.

Primary succesion timeline

4th full grown forest

Secendary succesion

4th full grown forest