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o Eutheria:placental mammals m Composed of 5,000 species and this is the infraclass that primates belong to. m The infraclass Eutheria includes about twenty different Orders, one of which is Primata m Includes about 20 different orders of which primata is one m Order primata includes about 375 species of primates m A carnivore has about 240 species, all members of cats,dogs and bear families m The order chiroptera includes 980 species of bats m The order odencher includes 1500 different species of rodents Common Primate traits e Not all primates carry exactly the same traits but there are sets of general traits that almost all primates exhibit to some degree or another that distinguish them from other members of order Eight Anatomical Traits e Grasping hands with opposable 1st and 2nd digits:prehensibility o Fundamental primate trait although some lower primates don't exhibit this trait fully o Some species the fingers are so long, or thumbs are so short it just doesn't work out o Prehensibility provides the ability to grasp objects with far precision that what other animals are capable of o Humans lost it in their feet but we have more prehensile hands than any other primates and we are more prehensile than any other non-primate animals o Omr handc have evalved inta dextrix tonle and thie nlave a rale in the hiiman lineaoe