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Anthropology Week 7

by: McKenna Johnson

Anthropology Week 7 Anth 140-01

McKenna Johnson
GPA 3.53

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About this Document

Classification of humans
Human origins diversity
Matthew Tornow
Class Notes
25 ?




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Popular in anthropology, evolution, sphr

This 6 page Class Notes was uploaded by McKenna Johnson on Friday February 26, 2016. The Class Notes belongs to Anth 140-01 at St. Cloud State University taught by Matthew Tornow in Summer 2015. Since its upload, it has received 28 views. For similar materials see Human origins diversity in anthropology, evolution, sphr at St. Cloud State University.

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Date Created: 02/26/16
Week Seven Anthropology Humans As Living Beings: Our Place of the Tree of Life I. Humans in the Living World A. Life B. Eukaryota C. Animalia D. Chordada E. Vertebrata F. SuperClass: Tetrapoda (Four legged vertebrates) 1. Each limb has one long bone that is proximal 2. Each limb has two bones that are distal a) There is also the carpals (forelimbs- wrists) and tarsals (hindlimb- ankles) 3. Example: a) In human arms there is a humerus (long proximal bone) and the radius and ulna (two distal bones). G. Mirclass: Synapsida 1. Have one hole, or opening, behind the eyes a) As opposed to Diapsides (having two openings) and Anapsides (having no openings) H. Class: Mammalia 1. Characterized by: a) Warm bloodedness b) hair c) ability to produce milk 1 o 6 Week Seven I. Subclass and Infraclass: Theria and Eutheria 1. Theria: Live births a) Includes marsupials 2. Eutheria: Placental Mammals a) fetus receives lots of nourishment through the placenta b) born more developed than marupials J. Order: Primates 1. Living Primates: a) Most non-human primates live within the tropics of cancer and capricorn b) Most fossils, however, are found north of the tropics 2. Characterized by: a) post orbital bar b) enlarged brain c) forward facing eyes stereoscopic vision d) (1) Allows them to see distance, depth, and range e) specialized ear region f) nails instead of claws g) fingerprints h) specialized ankles i) increased care by parents (1) very k-selective K. Semi Orders of Primates 1. Strepsirhini a) characterized by: (1) Grooming claws 2 of6 Week Seven (2) tooth comb b) Includes Madagascar Lemurs, Galagos, and Lorises c) They have wet noses 2. Haplorhine a) Characterized by: (1) Dry noses (2) hemochorial placenta (a) allows for intimate exchange of blood i) increased nourishment ii) builds immunity (3) closed orbits (a) eyes no longer good for nocturnal life (b) allows more colors to be seen (4) ear specializations Includes humans b) L. Suborder: Anthropoidea 1. Many changes made that effect diet and eating style 2. Characterized by: a) Fused frontal bone (1) top bone on skull is now fused b) simplex uterus (1) reduces births (a) more K-selective c) fused jaw d) lacrimal bone (1) tear duct 3 of6 Week Seven e) dental derivation (1) hypocone (2) reduced cusp height M. Infraorder: Catarrine 1. Characterized by: a) Loss of premolar (2 in each quadrant) b) Downward nostrils (narrow nose) c) Tubular Auditory Meatus (ear tube) (1) More protection added 2. Two Super Families a) Old World Monkeys (1) Cercopithecines (a) Characterized by: Fruit eating i) ii) narrow eyes iii) shallow jaw iv) low cusp v) cheek pouches (b) Examples: i) Japnese Macaque ii) Baboons iii) Mandrill (2) Colobines (a) Characterized by: i) leaf eating 4 of6 Week Seven ii) wide eyes iii) deep jaw iv) high cusp v) complex stomach (b) Examples: i) red colobus ii) black and white colobus iii) duac langur b) Hominoidea (Ape) (1) Characterized by: (a) Broad nose The first three play role in higher EQ (b) Broad palate (encephalization quotient) (c) Large brain (d) No tail long arms (suspension) (e) (f) Shoulder Adaptation (loose joints) (2) Examples (a) Gibbons (b) Orangutans N. Hominidae 1. Characterized by: a) Less body hair b) elongated skull c) fusion of wrist bones d) thumb muscle 2. Examples: 5 o 6 Week Seven a) Gorilla b) Chimpanzees c) Homo Sapiens 6 of6


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