With a neat, labeled diagram, describe the parts of
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With a neat, labeled diagram, describe the parts of a typical angiosperm ovule?

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An angiosperm ovary is capable of forming a small structure called an ovule.

Nucellus, a multi-layered cellular tissue, develops as the ovule first appears on

the placenta. Placentas are attached to ovules via a stalk known as a funicle. A

funicle attaches to a placenta at the hilum. The hypodermal cells of the nucellus

enlarge and transform into megaspore mother cells. One haploid cell undergoes

meiosis to form an embryo sac (female gametophyte). The others do not develop.

A pollen tube enters an ovule through a small opening called a micropyle,

surrounded by one or two protective layers. Ovules consist of the nucellus and

integuments of a fully developed embryo.
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