They breath one percent more oxygen and four percent more nitrogen than humans. They are capable of breathing in earths atmosphere for one week when deprived of a breathing apparatus. Predator has a phosphorus based greenish yellow colored blood which has the partial ability to neutralize the acidity of Xenomorphs acid blood. Some Predators have been known to have a gland on their neck that secretes powerful hormones into the blood to give hyper aggression. If this happens for too long they go into a blind rage and kill any living thing, even their own species.(predator wiki) Xenomorphs have a caste system starting with the queen. The queen is bigger and stronger than the others. She is the one that produces the eggs. Then there are the drones who are like worker bees. What they do is keep the hive in good condition. Warriors are are the protecters and soldiers of the hive who are more deadly than the drones. Finally there is the praetorian or the royal guard. Their job is to protect points of interest or the queen herself.(alien …show more content…
First is the young blood or the unblooded which is about 25% of the male Yautja. What unblooded means is that the predator doesn't have any distinguishable kills. Then there are the blooded The blooded is about 45% of the male Yautja. These Predators have successfully hunted worthy prey to pass into adulthood. Next are the retirees. They are about 10% of the male Predator population. They are Predators who have fought their time and now are to old old to hunt. The female Yautja falls under this category. They are basically house wives. Elite Predators only reach this level if they have acquired the skull of the Xenomorph queen. This is about 15% of the blooded population. Next is the clan leader . The only way to become a clan leader is to clear out a Xenomorph hive larger than 300 members. They represent five percent of the Yautja society. Finally, there are the Adjudicators. They are the order of the Predators authorize other Predators to clean out a hive. They make up about one percent of the population.(predator