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Film summary
Lichens exist in extreme environments where other life struggles to survive. But these tough species cannot tolerate pollution and reflect the health of ecosystems.Key facts
- Lichens are organisms that can thrive in harsh conditions through partnerships.
- Pairs of fungi and algae form a mutually beneficial relationship.
- Each pairing is a different species of lichen.
- They are slow growing and good indicators of environmental change.
Transcript
Even in the most extreme environments on Earth, there is life.
These small, slow-growing, living structures are called lichens.
Lichens
Lichens are often the first species to colonize an area.
Pioneer species
They forge their existence based on a partnership between two very different organisms: algae and fungi.
Symbiotic relationship of algae and fungi
The algal …
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