Question

In _______ alga and fungus have symbiotic relationship.

Answer 1

Lichen:

1. Lichen is a symbiotic association between algae and fungi.
2. The algae component of lichen can perform photosynthesis, thus it provides food for the fungi.
3. The fungal component provides substratum to the lichen.
4. Therefore both get benefitted in the association.
5. Lichens are also known as pioneer of vegetation as their roots creep into the crevices of rocks and break them to form soil.

Final answer: In lichen alga and fungus have symbiotic relationship.