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When the human egg is fertilized and becomes a zygote and then a developing embryo, it derives its food from the placenta.
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.
Supply food to the developing embryo is the purpose of the cotyledon.
an embryo
Three layers develop in an embryo .
The placenta is the part of the amniotic egg that supplies food to the developing animal. The yolk provides it with food, and the albumin supplies water and nutrients.The Yolk. Yolk is a sac that is attached to the embryo that supplies food.
When the human egg is fertilized and becomes a zygote and then a developing embryo, it derives its food from the placenta.
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 yolk supplies all the nutrients for the growing embryo.
it is a penguin in which lives in Antarctica
yolk
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.
exosperm
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.
Genes control the sex of a developing embryo.
Genes control the sex of a developing embryo.
endosperm