How many embryo sacs are present in an ovule?
How many embryo sacs are present in an ovule?

How many embryo sacs are present in an ovule?
How does the yolk sac nourish the embryo?
What is the membranous sac into which an embryo’s wastes are excreted called?
When does the yolk sac turn into an embryo?
What is an embryo sac?
What happens when there is no embryo in the sac?
What is the ploidy level of a fertilized embryo sac?
What is the embryo sac?
How does the amniotic sac in the mother’s body help the embryo?
What has happened to the endosperm that formed in the embryo sac?