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ANT Section 2
Antro Section 2 study guide
Question | Answer |
---|---|
What is morphology? | Form of anatomical structure (size, shape) used to determine species. |
Difference between Primitive vs. derived? | Primitive traits are those present in ancestral form while derived are those that evolved for a particular function. |
What Makes primates unique? | Primates are arboreal(tree adaption),dietary plasticity (eats various things), invest lots of time in few offspring |
Arboreal adaptation: the four specific traits and why primates have them? | Versatile skeletal limb structure(mobile limbs easy to grab branches), Enhanced sense of touch(Fingerprints at the tips (dermatoglyphics enhance grip),Enhanced sense of sight, Reduced reliance on smell and hearing |
Dietary plasticity: teeth and dental formula? | New world monkeys (platyrrhines) are 3,1,3,3 Old world monkeys (catrrhines) are 3,1,2,3 also has self honing canines(sharpens own teeth) |
Parental investment: What it means and its effects | invest lots of time raising one child, has benefits of flexible learned behaviors, efficient fetal nourishment, has delayed maturation |
Tertiary | 65 mil to 2 mil years ago |
Paleocene | Proto-primates (65-55mya) Plesiadapiforms-lacked solid ring of bone around their eye |
Eocene | Prosimian-like primates (55-34mya) Adapids-modern lemurs Omoyids-modern tarsiers |
Oligocene | First Anthropoids (34-23mya) Global cooling- Oligopithicids at 35mya Propliopithecids- ancestor of catarrhines Parapithecids- ancestor of platyrrhines |
Miocene | Hominids widespread (23-5mya) |
Pliocene | Hominids (5-2mya) |
Prconsul | Miocene, African Apes, Ape skulls monkey bodies |
Sivapithicus | Miocene, Northern India Ancestral to Khoratpithicus, ancestor to orangutans |
Khoratopithicus | Miocene asia |
Gigantopithecus | Miocene, Largest primate ever, Asia |
Dryopithicus | Miocene, Europe |
Oreophithicus | Miocene, Europe |
Euprimates | The first true primates, ancestral to modern prosimians |
Adapids | Related to the modern lemurs |
Omomyids | Related to modern tarsiers |
Fayum Fossil beds | Fayum Egypt, where most primate fossils are found from Oligocene period |
Oligopithicids | earliest Anthropoids |
Parapithcids | New World Monkeys, Ancestor of platyrrhines |
Propliopithecids | Old world monkeys, Ancestors of catarrhines |
Aegyptopithicus | Earliest catarrhines, found in Fayum, Last common ancestor of Old world monkeys, apes, and humans |
Prosimians | The lesser primate,Long muzzle, rhinarium (moist hairless nose), Primitive dental foruma (2 1 3 3), Dental comb, |
Lorisiforms | Galagos, Lorises, and pattos, from asia africa and india, Nocturnal, slow moving, |
Lemuriforms | lemurs |
Tarsiriforms | Tarsiers |
Anthropodia | All monkeys humans and apes |
Platyrrines | new world monkeys |
Atelids | howlers |
Cebids | squirrel monkeys |
Catyrrhines | Old world monkeys, apes, and humans |
Cercopithicoids | old world monkeys, including baboons and macaques |