Question

I need to place them in order from 1 to 6 please help

Answer 1

After a big environmental disturbance such as a volcanic eruption, the ecosystem is able to replace their communities by ecological sucession, it can be put in the following order of events to reestablish the ecosystem:

1 - Pioneer species, such as lichen and moss enter soil-less area;

2 - Pioneer species help break down rocks present to from soil;

3 - Grass species move into the area;

4 - Herbaceous plants and small shrubs enter the area;

5 - Small trees and evergreens become established;

6 - Climax community of deciduous hardwood tree species becomes established.