In Lichens Algae Provide?

The algal and/or cyanobacterial partner(s) possess the green pigment chlorophyll, enabling them to use sunlight's energy to make their own food from water and carbon dioxide through photosynthesis. They also provide vitamins to the fungus.

What is the role of fungi and algae in lichen?

In lichens, algae is an autotroph while fungus is an saprophyte. Water and minerals are supplied by the fungus to algae and using them algae makes food with the process of photosynthesis and supplies food to fungus. Hence, both "mutually benefit" each other.

What is lichen answer?

A lichen, or lichenized fungus, is actually two organisms functioning as a single, stable unit. Lichens comprise a fungus living in a symbiotic relationship with an alga or cyanobacterium (or both in some instances). There are about 17,000 species of lichen worldwide.