What is the embryo sac?
What is the embryo sac?
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What is the embryo sac?
What happens when there is no embryo in the sac?
When does the yolk sac turn into an embryo?
What is the membranous sac into which an embryo’s wastes are excreted called?
How does the yolk sac nourish the embryo?
How many embryo sacs are present in an ovule?
What is an embryo sac in plants?
What is the name for the outer sac protecting a developing embryo?
Which one of the following is not a part of the embryo sac (angiosperm female gametophyte)?
When can you see the embryo in the sac?