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You only need one...it's that there awesome.

Apparently you didn't pay attention when you watched Jurassic Park.

To add to the list by John C..

-the ability to adapt any environment to their advantage

-one maintains the attention of the prey, rest of pack attack simultaneously making the prey helpless

wasnt it the Velociraptor's that they found the eggs and newborns of in the forest? not sure on this point would need to watch it again to be sure.

i have a feeling that your in my school O.O well I'm not sure but if you don't want to copy stuff from online look back to the scenes where the velociraptors attack people and look at what they do and remember not to directly copy what someone says or your teacher/tutor/etc might find out and penalize you

The ability to communicate with each other. The ability to hunt in packs strategically. The ability to learn and remember.