Types of placentation.
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In biology, placentation refers to the formation, type and structure, or arrangement of the placenta. The function of placentation is to transfer nutrients, respiratory gases, and water from maternal tissue to a growing embryo, and in some instances to remove waste from the embryo.
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Explanation:
The different types of placentation found in plants are: Basal placentation: The placenta is at the base (bottom) of the ovary and a single ovule is attached to it. Example: Sunflower, marigold. Parietal placentation: Here ovary is one-chambered but it becomes two- chambered due to the formation of the false septum.
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