Biological Anthropology Lab Practical 1 Exam Questions and Answers 100% Pass

Biological Anthropology Lab Practical 1 Exam Questions and Answers 100% Pass Synapomorphies - shared derived traits Cladistics - method of reconstructing relationships between taxa based on shared derived traits Gradistic - grouping primates based on their overall similarity in appearance.. doesn't make ties of evolution Primate traits - post-orbital bar opposable pollex (thumb) presence of a clavicle forward-facing orbits Do only primates have post-orbital bars? - No... some non-primates have this, but if it does not have this then its NOT a primate Why is a dog not a primate? - Lacks: post-orbital bar 2Emily Charlene © All Rights Reserved 2025. Has: claws Why is a Colugo (flying lemur) not a primate? - Lacks: post-orbital bar Has: claws Why is a tree shrew not a primate? - Side facing eye orbits non-primate dental formula Primate have __ incisors and __ premolars - 2 incisors, 2-3 premolars True or False: If a mystery animal had a dental formula of 3.1.3.3. they would be a primate. - False... Primates have 2 incisors so this would not be a primate. New World Monkey dental formula - 2.1.3.3. Human dental formula - 2.1.2.3. Human cusps morphology - Y-5 pattern cusps Strepsirrhini.. primitive or derived? - primitive Haplorhini.. primitive or derived? - derived Strepsirrhine & Haplorhines: Rhinarium (absent or present) - Strepsirrhine: present Haplorhines: absent 3Emily Charlene © All Rights Reserved 2025. Strepsirrhine & Haplorhines: mandibular symphysis (fused or unfused) - Strepsirrhine:unfused Haplorhines:fused Strepsirrhine & Haplorhines: eye orientation (divergent or convergent) - Strepsirrhine: divergent Haplorhines: convergent Strepsirrhine & Haplorhines: orbit morphology (post-orbital plate vs. post orbital bar) - Strepsirrhine: post- orbital bar Haplorhines: post-orbital plate Strepsirrhine & Haplorhines: muzzle.. nose/mouth/jaw (orthognathic vs prognathic) - Strepsirrhine: p