Lichen: Indicator Species

Lichens exist in extreme environments where other life struggles to survive. But these tough species cannot tolerate pollution, and reflect the health of ecosystems.

Biology - Ecosystems - Learning Points.

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.

A Twig Context Film.
Reinforce and extend the learning required by the curriculum. Twig’s context films show abstract concepts in action in the real world.