BIOL 111 Lecture Notes - Lecture 24: Prehensile Tail, Depth Perception, Long-Term Memory

• School: McGill University
• Department: Biology
• Course: BIOL 111
• Professor: Andrew Hendry , Elena Melania Cristescu , Anna Lesley Hargreaves

Document Summary

Once found on all continents now just madagascar, se asia, africa. Loris thought to be extinct was found, there"s still hope. Largest eyes in relation to body size. Prehensile tail is only in new world monkeys, evolved after. Uganda has highest primate density in the world. Gibbons are smaller with long arms, for trees. Orangutans, too large to cross trees from branch to branch, African apes (gorillas, chimpanzees, bonobos, and hominids) Hendry suggests field studies even though they"re ridiculously pricey 5464$ Flatness of face, head shape, pelvis shape. Humans are just juvenilized apes (we"re closer to chimpanzees) Bipedal, upright, did not use arms for walking. Retains primitive large big toe for grasping. 35% size of modern brain (but still bigger than most) Tool use 2 mya, evidence in fossil record ( chimpanzees use. Body almost as large as humans, small brain, thickskull. Disappeared 30000 ya possibly due to homo sapiens(?) Spread out of africa across eurasia, to rest of world.