What is a primate II: Prosimians, Tarsiers, and NWM

How are the lemurs atypical strepsirhines and why is there so many diverse lemurs?

Ancestors of Lemurs were isolated on Madagascar with few predators or compeMtors. Adaptive Radiation: differentiated into diverse species with diverse adaptations

What new world monkey shows evidence of tool use?

Capuchin

What are the characteristics of typical strepsirhines?

Ecotympanic Ring 2-1-3-3 Dental Formula Post orbital bars Flared nostrils long snouts long legs Rhinarium grooming claw dental comb Arboreal insectivorous nocturnal Some lemurs are diurnal Solitary vertical Clingers and leapers unfused mandible

What are the characteristics of typical anthropoids?

Larger brain and body size reduced reliance on olfaction greater degree of color vision enclosed orbits longer gestation and maturation periods fused mandible usually diurnal and social

How is the bony ear structure different in Strepsirhines, NWM, OWM and Hominoids? Why does it differ and why is it significant?

Strepsirhines & nwm - ring tarsiers&owm&hominoids- tube

What is the only nocturnal monkey?

The owl monkey

What are the characteristics of NWM's?

arboreal smaller platyrrhines(Callitrichids) eat gums and insects larger playtrrhines eat more fruits and/or leaves 2133 Broad noses with outward facing nostrils

How do howler monkeys get their name? How is their anatomy adapted for communication?

territory defense of howling developed large mandibles

What evidence indicates that tarsiers an intermediate between the sterpsirhines and the Haplorhines? (know the specific shared derived traits that suggest that the tarsier should be grouped with the halplorhines)

with strepsirhines: nocturnal hunter, clinging leaping, 2 grooming claws, un-fused mandible with halplorhines: no rhinarium, no dental comb, enclosed orbits, hemochorial placenta, big babies, genetic similarity, ecotympanic tube