Environment & Ecology · Ecological Succession & Pioneer Species
During the process of primary succession on barren rocks, what specific ecological role do lichens fulfill as a pioneer species?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1They drive allogenic succession by actively altering external geological forces and local climatic conditions
- 2They secrete acids to weather rocks into soil, enabling lower plants like mosses to establish✓
- 3They act as heterotrophs that exclusively decompose dead wood and animal carcasses to recycle nutrients
- 4They function as the final climax community by maintaining long-term stability and complex food webs
Correct answer
They secrete acids to weather rocks into soil, enabling lower plants like mosses to establish
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