Which of the following are typical pioneer species in a lithosere (succession on bare rock)?
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Correct answer: Lichens and mosses
Lichens are usually the first to colonize bare rock because they can tolerate extreme desiccation and secrete acids to weather the rock. Their death and decay contribute the first organic matter for soil formation.
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More Succession questions
- Succession that begins in a water body, such as a pond or lake, is specifically called:
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- In the 'Facilitation Model' of succession, how do early species affect the establishment of later species?
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