Primary succession occurs when pioneer species move innto an area that has no plants. Which organisms are common pioneer species?
(pick an answer)
Vines and shrubs that help prevent the erosion of shallow soil.
Mosses and lichens that can grow on rocky surfaces.
Conifer trees and tall grasses with roots that loosen the soil.
Grasses and weeds that arrive as seeds carried by the wind and then germinate in rich soil.