ANT100Y1 Lecture Notes - Lecture 13: Mosaic Evolution, Cercopithecinae, Bipedalism
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As the plate moves, it changed the land mass and the climate in the land masses we know today. Body size: tiny, shrew-sized to size of dog. Niche: likely solitary, nocturnal quadrupeds; well-developed sense of smell. Used to be classified as primates because of primate-like teeth and limbs that are adapted for arboreal lifestyle. We only have fossils of these creatures, not skulls. Not primates/plesiadapids because (using phylogeny: no postorbital bar, claws instead of nails, eyes placed on side of head which means no frontation, enlarged incisors. There is a major drop in temperature on earth to 18 degree celesius. This cause ice caps to form and water to recede. No longer is the whole world tropical but now seasons occur on earth. Greater reliance on leaping so they had longer legs in the back. Insects, fruit and leaves (requires specialized chamber in the digestion track: omomyidae. Adapted for eating insects and soft fruits.
