10

In the climax of Jurassic World (2015), when the genetically modified dinosaur Indominus Rex kills all the raptors trained by the hero, Claire releases the T-Rex from the cage. It assists in defeating Indominus Rex.

The T-Rex is not trained like the raptors. Why did the T Rex help the protagonists, instead of just eating them?

9

It is the same Tyrannosaurus Rex from the first Jurassic Park film. In the first movie, Dr. Alan Grant rescues two kids from getting attacked by using a flare to get the T-Rex's attention. When Claire throws the flare at the Hybrid Rex, she is indicating to the T-Rex to attack it. See the picture below:

Jurassic Park (1993)

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14

It doesn't 'help' her. It is lured into the area with the Indominus Rex and the two happen to have a fight. The flare is used, as they know from past experience, the T-rex will follow them.

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5

I think its a throwback to the Original Jurassic Park's ending where the T-Rex kills the Raptors and saves the protagonists.

In Jurassic world here we have the Raptor, T-Rex and mosasaurus taking out the fearsome Indominus Rex and assisting the protagonists and also the reason why we don't see a T-Rex in this movie until the very last scene.

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-1

I think that is obvious.1st, The T. Rex's (Rexy), eyesight is based on movement. So it followed the flair. And 2nd, Rexy saw the I. Rex as a threat/challenger. So of coarse she engaged. If the I. Rex wasn't there, the main characters would be dead.

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  • And everyone knows every Dino is female. Sorry guys, just like today, in the prehistoric age, makes must have been dicks – JW fan Mar 15 '17 at 22:24
  • This doesn't add anything to what the accepted answer from 1.5 years ago said. – user9311 Mar 16 '17 at 2:35
-1

I think the T-Rex helped them because he knew there was only one king so the T-Rex, the velociraptors and the humans worked together to save the Earth from Indonimus Rex

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