UT ANT 301 - What is a primate? (3 pages)

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What is a primate?

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What is a primate?



Lecture number:
Lecture Note
University of Texas at Austin
Ant 301 - Physical Anthropology

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1nd Edition ANT301 Lecture 1 Outline of Last Lecture I None Outline of Current Lecture II What is a primate III Primate Characteristics IV Primate Myths V Why did features of primates evolve a Arboreal hypothesis Current Lecture What is a primate Order primates o Prosimians o Monkeys o Apes o Humans Carolus Linnaeus order primates named by him Systema naturae 1758 book that he wrote primate pops up for the first time Systema Naturae Order 1 primates Homo know yourself humans Originally put humans and orangutans in the same genus Linnean Taxonomic Hierarchy Kingdom Animalia Phylum chordata Class Order Family These notes represent a detailed interpretation of the professor s lecture GradeBuddy is best used as a supplement to your own notes not as a substitute Genus Homo Specie sapiens Linnaus also included bates order chiroptera finger wings flying lemus or colugo order dermoptera skin wing Tree shrews order scandentia squirrels Primates may be recognized by a shared characteristics 1 Forward facing eyes a Money owl monkey b Prosimian bush baby 2 Wide binocular field viewed by both eyes simultaneously tends to go along with excellent depth perception stereoscopy perception of 3 dimensionality that comes with binocular vision a Stereoscopy fusion of binocular visual field into one mental image b Demo floating hot dog c Binocular vision and stereoscopy critical for fine depth judgment 3 High visual acuity a Ability to make out fine small details in visual world humans have va of 80 i Foxes and eagles have higher 4 Orbit boney eye socket surrounded by bone a Horses b Bush baby has post orbital bare that separates the eye from the jaw 5 More larger visual brain areas a Macaque bigger cerebral cortex neo cortex where all the processing is done i Half of the primates brain is dealing with visual input 6 Grasping prehensile you can pick up something and manipulate is with a single hand hands divergent thumb 7 Grasping prehensile feet divergent hallux big toe 8 Flattened

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