393812670-Second midterm W08 KEY

393812670-Second midterm W08 KEY - Anthropology 152 Winter...

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon
SECOND MIDTERM Anthropology 152 Name ___ Answer key __________ Winter 2008 Lab Time ________________________ 1. Fill in the following chart: Age in m.y. (+1) Name one site at which it was found (+1, -1/2 for region) One craniodental synapomorphy with later hominids relative to chimps (+1) Ardipithecus 5.8, 4.4 Aramis Incisiform canine less projecting, short cranial base, A. anamensis 4.2-3.9 Kanapoi small canine crown, intermediately wide dM1, thick molar enamel, wider molars A. afarensis 3.6-3 Hadar (Ethiopia), Laetoli (Tanzania), Middle Awash broad human-like dM1, apical wear on canine, bicuspid P3 (small metaconid), megadontia, slight encephalization, slight curving of tooth row, thick enamel, rectangular occlusal shape of dM1 A. africanus 3-2.4 Taung, Sterkfontein, Makapansgat (South Africa) (not Swartkrans) Small deciduous canine, brain stem more forward, upward arching forehead, thick molar enamel, multi-cuspid dM1, reduced prognathism, slight encephalization, non-convergent temporal + nuchal lines, less pneumatized basicranium, round
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
(projecting) mastoids, horizontal nuchal plane, no diastema, parabolic tooth rows, less projecting incisiform canines, canine apical wear, reduced C1 dimorphism, big P3 metaconid, deep TMJ, flexed basicranium, temporalis more anterior, megadontia, skull buttressing P. robustus 1.7-1 Kromdraai, Swartkrans, Drimolen, Sterkfontein (-1/2 for Transvaal) more encephalization, large EQ, deep TMJ, flexed cranial base, megadontia complex, reduced prognathism, H. habilis (sensu lato ) 2.4 – 1.6 Oldovai Gorge, East Lake Turkana (Rudolf), Koobi For a, Chemeron, Sterkfontein (according to Klein) (-1/2 for Hadar) Large brain, reduced cheek teeth, narrow premolars, deep TMJ, medial placement of madibular fossa, sharp tympanic crest, flexed cranial base, reduced prognathism, temporalis anterior, 2. According to lecture and the assigned reading (i.e. Wood, 2002), the oldest member of the human family is what genus and species and what synapomorphies does it have with later hominids? Sahelanthropus tchadensis Small canine with apical wear, Skull oriented in human-like posture (+1 for name, +1 for trait, -1/2 for not underlining)
Background image of page 2
3. Fill in the following table: Chimp A. afarensis H. sapiens Length of iliac blade Long short short Width of iliac blade Narrow Wide wide Length of ischium Long Short Short Obliquity of femoral shaft Straight Oblique Oblique Divergence/ convergence of big toe Divergent Convergent Convergent Curvature of toes Curved Curved Straight (+1/2) 4. Fill in the following table: P. boisei Early Homo A. aethiopicus Depth of TMJ Deep Deep Shallow Flexion of cranial base Flexed Flexed Unflexed Cranial capacity (approx. cubic centimeters) 530cc >500cc 400cc Degree of prognathism Low Low High Position of temporalis muscle attachment Anterior Anterior Posterior (+1/2) 5. In question #4 above, if P. boisei and A. aethiopicus are regarded as sister taxa (more closely related to each other than either is to early Homo
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 4
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 11/25/2011 for the course ANT 152 taught by Professor Staff during the Winter '08 term at UC Davis.

Page1 / 9

393812670-Second midterm W08 KEY - Anthropology 152 Winter...

This preview shows document pages 1 - 4. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online