Presence of keystone species and link species of plants are essential for the existence of diversity of organisms .Justify the following statements based on this.
a. Fig tree is a keystone species of plant community.
b. Mycorrhizal fungi in soil as a link species.

Explanation

a .Fig tree produces large number of fruits when there is a scarcity of fruits .
b. Mycorrhiza helps the plants to absorb nutrients from the soil. So it is considered as link species.