Station 2: Platyrrhine or Catarrhine? 1 Look at the ear regions and dental formu

Question

Station 2: Platyrrhine or Catarrhine? 1 Look at the ear regions and dental formula of specimens in your lab or Figures A and B below. Rofer to Figures 9.5 and 9.7. A is a and B is a Explain how you know which is which Station 3: Distinguishing among Haplorhine Groups (Tariers, Platyrhines,and Catarhines. (Alternative to Specimens: Figures A through E) 1 Fill in the table bel low using specimens in your lab or photos A through E on the following page. Size of orbits relative to brain size (small or large) Bony ear tube? (if you identify one of Fully enclosed orbits? Dental formula these as a tarsier, put NA) Specimen in the photors 2 What is the infraorder for Specimens A through E? Erploring Physical Anthropology

Explanation / Answer

Station 2:

A is platyrrhine and B is catarrhine.

Platyrrhine has three premolars, while catarrhine has only two premolar. Platyrrhine has no ear tube, where as catarrhine has ear tube

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