Why are lichens absent in highly polluted urban areas?
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Correct answer: Sensitivity to air pollutants
Lichens are extremely sensitive to air pollutants, especially sulphur dioxide. High pollution levels prevent their survival.
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More Lichens and Their Significance questions
- The fungal partner in lichens usually belongs to:
- Which of the following best summarizes the significance of lichens?
- Lichens are best described as an association between:
- In a lichen thallus, the fungal component mainly provides:
- Which partner in lichens is capable of photosynthesis?
- Lichens are considered good indicators of air pollution because they: