Answer:
Liches, mosses, grasses and annual flowers, bushes and shrubs, trees. Primary succesion is a type of succesion occuring in an environment. This is a gradual growth of ecosystem from an area without vegatation. This can happen from simple to a more complex organism. The pioneer plants are usually the hard organism that can strive at aharsh condition and gradually shifting to a more adapted to less harsh conditions.
Step-by-step explanation: