Explain mutually rewarding relationship between Yucca plant and species of moth?

Explanation

(a) The plant Yucca and the moth, both of them cannot complete their life cycles without each other.
The moth deposits its eggs in the locule of the ovary, during this the flower gets pollinated by the moth.
The larvae of the moth come out of the eggs, when the seeds start developing, some of the seeds are eaten by the larvae.