Ovule

http://en.wikipedia.org/wiki/Ovule#Nucellus.2C_megaspore_and_perisperm This should explain it pretty well

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Basically, I want to know what an ovule is. Also, I want to know what a megaspore is, what it does, and how it works.

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... really help). I've looked on the internet but it was full of confusing jargon. Please explain to me in the simplest terms possible about what the ovule is, how it relates to megaspores and what megaspores do, like how they divide and what they divide into and such. Please help!!! Thankyou

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... Taxaceae have no pollen chamber because they reproduce differently than other conifers. They don't produce woody seed cones. Instead the form ovules at the tips of short axillary shoots. Each ovule is at least partially surrounded by a fleshy, cuplike covering called an aril. In yews, the ...

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We all know that some flowers employ late-acting systems,in which the ovule aborts when fertilized or shortly after fertilized when the same flower's pollens fall on its stigma. But the abortion will make this flower lose one chance to spread its genes, though ...

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