It comes through the umbilical cord.
the mother's blood can supply the embryo with the food and oxygen that needs to grow
The developing embryo is nourished by the yolk sack until implantation. Upon implantation the placenta begins to develop, the placenta acts as the fetal lung , it transports oxygen to the fetus and carbon dioxide away from the fetus via the umbilical cord. The placenta also provides stored carbs for the developing fetus.
the mother's blood can supply the embryo with the food and oxygen that needs to grow
That depends on what animal because baby chickens feed on the yolk inside the egg while a human embryos get food and oxygen from their mother's umbilical cord.
food and water
Embryo gets its food via placenta .
Its been nourished by the food the mother takes which is been converted into a liquid substance and later sent to the embryo through the placenta
iron, vitamins, minerals of the mother's food.
The fetus gets food and oxygen through the umbilical cord.
No. The sex of the embryo is determined at the time of conception.
The main nutrients that a chick needs to hatch, is the yolk. They do need some air, and some moisture. These things can pass through the egg shell. Egg shells have many small holes that things like this can pass through. If the eggs are kepet at the right temperature, they will hatch.
A living anything needs food and lots of living things need oxygen. So, yes, embryos need food and oxygen too.