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Group 3. Platyrrhines vs Catarrhines
Group 3. Platyrrhines vs Catarrhines
In this station, you will be comparing three different skeletons: howler monkey (platyrrhine), a macaque (catarrhine), and a human.
Use these traits for your comparisons
Use these traits for your comparisons
Bony ear (ectotympanic region)
Bony ear (ectotympanic region)
Ring-like
Ring-like
Tube-like
Tube-like
Premolars
Premolars
Direction of Nostrils
Direction of Nostrils
Sideways
Sideways
Downwards
Downwards
Comparative Anatomy
Comparative Anatomy
Use the pictures provided to:
Determine the traits for each species
Explain the differences in traits between platyrrhines and catarrhines
Decide if humans are a platyrrhine or a catarrhine
Howler monkey (platyrrhine)
Howler monkey (platyrrhine)
Rhesus macaque (catarrhine)
Rhesus macaque (catarrhine)
Human
Human
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