Adaptive radiation in primates 2-2
Adaptive radiation in primates
25 separation from monkeys. Chimpanzee 8
Strepsirhini. wet rhinarium and heightened sense of smell. Specialised diet. Nail and claw toilet on second digit. Tooth comb
Haplorhini. Larger brain. Sexual dimorphism. Dry rhinarium. Les teeth. Convergent eyes. Colour vision.
Tarsiformes. Tarsier. specialised diet. Large bulbous eyes for nocturnal version. Elongated tarsals for giant leap. 2 inches and restricted to Philippines area.
Ceboidea. Arboreal. Suspensory locomotion. Prehensile tail. Diverse diet insect fruit leaves.
Cercopithecoidea. Arboreal. Biphodont upper and lower mola. Narrow face. Sitting pad on hips. Non prehensile tail. Sexually dimorphic canines.
Hominoidea. Y5 lower molar pattern. large brain. Broad face. No external tail. Usually long forelimbs than hindlimbs. Omnivore.
Hylobatidae. Gibbons Siamangs
Nocturnal. Insect eating. Wet nose. Claw on the finger for cleaning. Little lies. Leaping locomotion vertical clinging.
Diurnal. Prehensile tail. Swinging branch living. Various diet. V shaped dental arcade.
EPS 11 ground entries. Nakal walking or or brachiation. No tail. U shaped dental arcade. Diastema.
Bipedalism. Different diet. Loss of body hair. Parabolic dental arcade. Hi cranial capacity. Precision group. Length legs longer than hands. Child maturation time is height.
New world monkeys. 2133