Linked from
The 18 pages that link to Mevalonate pathway, each with the reason it gives.
TerpeneRelated: It supplies activated isoprene units for terpene production in many organisms.
IsoprenoidRelated: It supplies isoprenoid precursors in animals, fungi, and many other organisms.
MonoterpeneRelated: It can supply precursors for monoterpene synthesis in some organisms.
Coenzyme Q10Related: It supplies the isoprenoid side chain used to build coenzyme Q10.