1022-LAB 5-Response Template (1) (1)

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Western University *

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ANTHRO1025

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Statistics

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Feb 20, 2024

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Lab 5 – Bioarchaeology Response Template Remember to upload this template as a Word document (.doc or .docx). We will not accept Labs submitted using the wrong file format (e.g. PDF, Pages) – they will receive a zero. An ‘Osteobiography’ represents all the information about someone’s life, identity, and history as told by their skeleton. In the first part of this lab, you will learn how to estimate an adult’s (~≥18 years) sex from their (a) pelvis and (b) skull using plastic casts set up at stations in the lab. In the second part of this lab, you will learn how to (a) estimate a nonadult’s (~< 18 years) age-at-death from the state of their dental formation and eruption and (b) how to identify morphological features of the pubic symphysis that permit adult age-estimation from young to old adulthood. Finally, the third part of this lab session is a thought-exercise that can be completed either in or away from lab (whichever you prefer). You will choose two osteobiographical characteristics, beyond sex and age-at-death, that would be in useful in identifying a recent/modern-day public person (e.g., sports star, actor/actress, politician, musician, chef, journalist, academic, royalty, reality star, etc.) based on their skeletal remains (as uncovered by a future bioarchaeologist 1000 years from now!) PART 1: SEX ESTIMATION Record your observations in the charts below, averaging the observations for each individual in order to estimate their sex. PART 1a: Use this table to record your observations of the pelvis and sex estimations for two individuals (1 mark) (R=right side; L=left side) Skeleton # 525f (top row) 525h (bottom row) Ventral arc score (1-5) R L Sub-pubic Angle (1-5) Subpubic Concavity (1-5) R L Greater sciatic notch (1-5)
R L Estimated Sex Ventral arc score f:1 Sub pubic angle f:1 Sub pubic concavity f:1 Greater sciatic notch f: 2 female Ventral arc score h: 5 Sub pubic angle h :5 Sub pubic concavity h: 5 Greater sciatic notch h: 4 male PART 1b: Use this table to record your observations of the skull and sex estimations for two individuals (1 mark) (R=right side; L=left side) Skeleton # Nuchal crest (1-5) R L Mastoid process (1-5) R L Supra-orbital margin (1-5)
R L Glabella (1-5) Mental eminence (1-5) Estimated Sex 523 c Nuchal crest:4 Mastoid process: 3 Supra: 4 Glabella: 3 Mental: 4 Male 523 e Nuchal crest: 2 Mastoid process: 1 Supra: 2 Glabella: 1 Mental: 2 Female PART 2: AGE-AT-DEATH ESTIMATION PART 2. Using the Ubelaker (1989) dental formation and eruption chart, estimate the age-at-death of one of the two individuals at this station. Always note both the average age and the ‘+/-‘ value. You
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