UPDATED Questions and CORRECT
Answers
Synapomorphies - CORRECT ANSWER - shared derived traits
Cladistics - CORRECT ANSWER - method of reconstructing relationships between taxa
based on shared derived traits
Gradistic - CORRECT ANSWER - grouping primates based on their overall similarity in
appearance.. doesn't make ties of evolution
Primate traits - CORRECT ANSWER - post-orbital bar
opposable pollex (thumb)
presence of a clavicle
forward-facing orbits
Do only primates have post-orbital bars? - CORRECT ANSWER - 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? - CORRECT ANSWER - Lacks: post-orbital bar
Has: claws
Why is a Colugo (flying lemur) not a primate? - CORRECT ANSWER - Lacks: post-
orbital bar
Has: claws
Why is a tree shrew not a primate? - CORRECT ANSWER - Side facing eye orbits
, non-primate dental formula
Primate have __ incisors and __ premolars - CORRECT ANSWER - 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. -
CORRECT ANSWER - False... Primates have 2 incisors so this would not be a primate.
New World Monkey dental formula - CORRECT ANSWER - 2.1.3.3.
Human dental formula - CORRECT ANSWER - 2.1.2.3.
Human cusps morphology - CORRECT ANSWER - Y-5 pattern cusps
Strepsirrhini.. primitive or derived? - CORRECT ANSWER - primitive
Haplorhini.. primitive or derived? - CORRECT ANSWER - derived
Strepsirrhine & Haplorhines:
Rhinarium (absent or present) - CORRECT ANSWER - Strepsirrhine: present
Haplorhines: absent
Strepsirrhine & Haplorhines:
mandibular symphysis (fused or unfused) - CORRECT ANSWER - Strepsirrhine:unfused
Haplorhines:fused
Strepsirrhine & Haplorhines: