When a glacier retreats and leaves behind only rocks, the first types of plants that are likely to colonize the area are lichens and mosses (option 3). These organisms are well adapted to harsh conditions and can thrive in rocky, nutrient-poor environments. They play a crucial role in the process of soil formation and help prepare the area for subsequent plant species to establish.
Only rocks are left once a glacier retreats. What types of plants are likely to arrive in the area first?
1. flowering plants and small trees
2. evergreen trees and deciduous trees
3. lichens and mosses
4. grasses and shrubs
1 answer