lecture 05 - FOSSIL RECORD II Article extinct bee trapped...

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FOSSIL RECORD II Article – extinct bee trapped in amber o Pollinia covering bee o Pollinia almost solely from orchids o Bee was pollinating orchids Origin of humans Primates o Characteristics: Group of mammals Eyes forward Eye sockets completely encircled by bones Increased brain size Emphasis on vision instead of olfaction Hands and feet for grasping Modification of placenta long gestation o Closest relative to primates : tree shrews (S.E. Asia) o Primates divided – monkeys and tasiers Two groups of monkeys Old world monkeys and new world monkeys o Humans are grouped within old world monkeys, belonging to the group of Great Apes (Africa and S.E. Asia) o Relationship of humans within the Great Apes Traditional view – based on morphology – Orangutans most dissimilar so are most divergent, chimps more closely related to gorillas (knuckle walking, thick enamel on teeth), humans form their own group New view
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lecture 05 - FOSSIL RECORD II Article extinct bee trapped...

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