Linked from
The 22 pages that link to Yolk, each with the reason it gives.
OviparityRelated: It supplies much of the energy and matter an oviparous embryo needs.
Amniotic eggRelated: Stored yolk fuels development before an embryo can feed independently.
MayonnaiseRelated: It supplies water and emulsifying compounds that help bind oil into the sauce.
IncubationRelated: Incubation supports development using nutrients already stored in the yolk.
OvoviviparityRelated: In the usual form of ovoviviparity, yolk supplies the embryo's nourishment.
Egg whiteRelated: The white surrounds and cushions the yolk while keeping its contents distinct.
Steak tartareRelated: It is often served atop tartare or mixed into the beef for richness.
CarbonaraRelated: Its fats and lecithin help bind the sauce as it thickens.