Algae and fungi form a symbiotic association called ______.

Lichens:

1. Algae and fungi form a symbiotic association called lichen.
2. In a symbiotic relationship, benefits are exchanged.
3. Algae provide food while fungi provide support and protection.
4. This is an example of mutualism as both partners benefit.

Final answer: Algae and fungi form a symbiotic association called lichen.