Does Jake Stay an Avatar?
Having Put an End to the Rda's Occupation of Pandora, Jake Makes His Last Log Entry on August 24, 2154, Explaining That the Humans Were Sent Back to Earth by...
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Also asked, what happens to Jake in avatar?
After Jake was permanently transferred into his avatar, Neytiri removed the exopack from his human body. A human cannot survive breathing in the air from the Pandoran environment and will die after 4 minutes of exposure.
Beside above, how long does Jake have to convince the NA VI to leave? Despite Grace's argument that destroying Hometree could damage the biological neural network native to Pandora, Selfridge gives Jake and Grace one hour to convince the Na'vi to evacuate before commencing the attack.
Beside above, do the avatars know Jake is human?
Yes, Neytiri knows that Jake is from the "Sky People" who are able to somehow inhabit Na'vi bodies. The Na'vi have longer, more pointed features, whereas the avatar bodies are a mix of Na'vi and human DNA. So just by appearance, she probably could instantly tell he was not a "real" Na'vi.
Will Jake and Neytiri have a baby?
Jake and Neytiri do not have children in the first Avatar, although they wind up together and have a love scene. At the end of the movie, Jake permanently transfers his consciousness into his Na'vi avatar, and so presumably the couple's children will be 100% Na'vi rather than being half Na'vi half human.