It's a sack and not an egg but the primary food source, the only one, is the placenta and the nutrients go via the umbilical cord.
yolk
The yolk of the amniote egg is composed of protein and provides nutrients such as food, water, and necessary ions for the developing embryo. It acts as a source of energy and building blocks for the growing organism within the egg.
The primary function of the endosperm is to provide nutrients and energy to a developing plant embryo. It serves as a source of food and water during germination and early growth stages.
An egg yolk is the part of an egg which serves as the food source for the developing embryo inside.
The egg yolk is the main source of food for a developing embryo, and the albumin (egg white) supplies other nutrients as well as water to prevent the embryo from drying out.
The albumen, or egg white, provides structure and protection for the yolk, as well as a source of water and protein for the developing embryo. The yolk, which contains nutrients such as fats, proteins, and vitamins, serves as food for the developing embryo.
The egg yolk provides nutrients to the chick embryo when it is developing. It is a major source of protein, B12, and phosphorus for humans. It is also a good source of selenium.
The function of the inner albumen, also known as the egg white, is to provide a cushion and protective barrier for the developing embryo in the egg. It also contains protein that serves as a source of nutrition for the growing embryo.
The yolk in an egg provides essential nutrients and fats for the developing embryo. It also acts as a source of energy for the growing chick.
The four parts of a seed are the seed coat (protective outer covering), the endosperm (source of nutrients for the developing plant), the embryo (developing plant), and the cotyledon (seed leaf that stores food for the embryo). These parts work together during germination to give rise to a new plant.
The three main parts of an angiosperm seed are the seed coat, the endosperm, and the embryo. The seed coat provides protection for the embryo, the endosperm serves as a source of nutrients for the developing seedling, and the embryo contains the future plant in a dormant state.
The egg white provides a semi liquid equivalent of the human amniotic fluid environment for the growing chick. The embryo chick starts as a tiny speck attached to the yolk. The yolk is the protein that the embryo uses to grow.