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Biological Anthropology Lab Practical 1 Exam Questions and Answers $11.49   Add to cart

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Biological Anthropology Lab Practical 1 Exam Questions and Answers

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  • Course
  • Biological Anthropology
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  • Biological Anthropology

Biological Anthropology Lab Practical 1 Exam Questions and Answers

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  • October 26, 2024
  • 8
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • Biological Anthropology
  • Biological Anthropology
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millyphilip
Biological Anthropology Lab Practical 1
Exam Questions and Answers

Synapomorphies - Answers -shared derived traits

Cladistics - Answers -method of reconstructing relationships between taxa based on
shared derived traits

Gradistic - Answers -grouping primates based on their overall similarity in appearance..
doesn't make ties of evolution

Primate traits - Answers -post-orbital bar
opposable pollex (thumb)
presence of a clavicle
forward-facing orbits

Do only primates have post-orbital bars? - Answers -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? - Answers -Lacks: post-orbital bar
Has: claws

Why is a Colugo (flying lemur) not a primate? - Answers -Lacks: post-orbital bar
Has: claws

Why is a tree shrew not a primate? - Answers -Side facing eye orbits
non-primate dental formula

Primate have __ incisors and __ premolars - Answers -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. - Answers -False... Primates have 2 incisors so this would not be a primate.

New World Monkey dental formula - Answers -2.1.3.3.

Human dental formula - Answers -2.1.2.3.

Human cusps morphology - Answers -Y-5 pattern cusps

Strepsirrhini.. primitive or derived? - Answers -primitive

, Haplorhini.. primitive or derived? - Answers -derived

Strepsirrhine & Haplorhines:
Rhinarium (absent or present) - Answers -Strepsirrhine: present
Haplorhines: absent

Strepsirrhine & Haplorhines:
mandibular symphysis (fused or unfused) - Answers -Strepsirrhine:unfused
Haplorhines:fused

Strepsirrhine & Haplorhines:
eye orientation (divergent or convergent) - Answers -Strepsirrhine: divergent
Haplorhines: convergent

Strepsirrhine & Haplorhines:
orbit morphology (post-orbital plate vs. post orbital bar) - Answers -Strepsirrhine: post-
orbital bar
Haplorhines: post-orbital plate

Strepsirrhine & Haplorhines:
muzzle.. nose/mouth/jaw (orthognathic vs prognathic) - Answers -Strepsirrhine:
prognathic
Haplorhines: orthognathic

Strepsirrhine & Haplorhines:
tooth comb (present or absent) - Answers -Strepsirrhine: present (2 incisors and 1
canine)
Haplorhines: absent

True or False?
Only Haplorrhines have a toothcomb - Answers -False.. only strepsirrhines have this

Advantage of convergent eyes? - Answers -More forwards eyes = better 3D vision

What is a post orbital bar? - Answers -bony ring around eye

What is a post orbital plate? - Answers -closed, no opening behind eye

Tarsiers are in the ____ grade but are in the ____ clade - Answers -Grade: Prosimian
Clade: Haplorhine

Tarsier prosimian feature... - Answers -unfused mandibular symphysis...
symplesiomorphy

Tarsier haplorhine feature... - Answers -post-orbital plate... synapomorphie

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