This sequence of images shows the stages in which an ecosystem undergoes succession. Analyze what is happening in
each of the pictures. Choose ALL the statements that accurately portray succession of this ecosystem.
A)
This shows primary succession because there is no existing soil in the
beginning.
B)
The pioneer species are most likely mosses and lichens with few soil
requirements.
This shows secondary succession because there is no existing soil in the
beginning.
D)
The pioneer species are usually annual plants, followed within a few years
by quickly growing grasses and weeds.
E)
Weathering and erosion breaks down the rock, allowing for the
establishment of soil before seeds are able to germinate.