Botany 7 Views 1 Answers
How does the yolk sac nourish the embryo?
How does the yolk sac nourish the embryo?
Answer
The yolk sac, found in the early stages of embryonic development, provides nutrients and facilitates gas exchange. It serves as an initial source of nourishment before the placenta fully develops and takes over the role of supplying nutrients to the growing embryo.
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