What are advantages which fungus and plant derive from symbiotic association called mycorrhizae?

What advantages the fungus derives from mycorrhizal association?

What are the advantages of transgenic plants?

What are advantages of seeds to plants and mankind?

Name the symbiotic associations in which fungi are participants.

What is the advantage of fruit habit in angiospermic plant?

A free living nitrogen fixing cyanobacterium which can also form symbiotic association with the water fern Azolla is: