Answer:
c. the yolk is the correct answer.
Step-by-step explanation:
The yolk part of the amniotic egg provides food for the embryo.
The yolk sac is present inside the egg and it provides nutrients to the developing embryo.
The yolk is the main source of nourishment for the embryo and carries all the fat.
The yolk part provides protein, energy, and water to the embryo.
yolk part becomes the umbilical cord through which food reaches the fetus and waste substances are removed.