ANTHR101 Chapter Notes - Chapter 5: Binocular Vision, Primatology, Prehensility

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Published on 5 Feb 2017
School
University of Alberta
Department
Anthropology
Course
ANTHR101
Primatology:
The study of living primates.
Psychologists, biologists, anthropologists study primates
Why study primates in anthropology?
We have a relatively common ancestors
Humans are primates
We share more physical characteristics with primates than with other organisms.
Our early ancestors evolved in environments similar to those where primates live today.
What are primates?
Primates are in the larger group we call mammals.
Primates give birth to live young, no eggs.
Able to maintain a constant body temperature, not like reptiles. That’s hy they ca lie
anywhere basically.
They produce milk, the mothers.
Senses
Reduced snout and less reliance on sense of smell.
Binocular vision, both eyes are able to see forward, it gives us depth perception, also makes us
see in 3D. Binocular vision helps us in hunting.
Colour vision. Ability to see in colors. To see in colors it helps us to see our prey if they are
caouflaged, ad it helps us to see hich foods are hich, if they’re [poisoous or ot.
Tactile pads and dermal ridges (dermal rigits are the lines on ur finger tips) on digits for greater
prehensility. Our finger tips allow us to see different textures and the temperature.
Teeth and diet
Generalized dental pattern (2-1-2-3 or 2-1-3-3)
The front teeth are called the insizers, insizers they cut through the piece.
The function of the back teeth are for grinding and chewing.
Lack of specialization in teeth and diet.
Postcranial
Prehensile hands and feet with pentadactily (means 5 digits)
Opposable thumb and big toe. Feet are for walking now for humans, not looking like hands
anymore.
Retention of the collar bone (clavicle) function of the collar bone is mobility movement for
shoulder blades.
Large brain-to-boy size ratio
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Document Summary

We share more physical characteristics with primates than with other organisms. Our early ancestors evolved in environments similar to those where primates live today. Primates are in the larger group we call mammals. Primates give birth to live young, no eggs. Able to maintain a constant body temperature, not like reptiles. Reduced snout and less reliance on sense of smell. Binocular vision, both eyes are able to see forward, it gives us depth perception, also makes us see in 3d. To see in colors it helps us to see our prey if they are ca(cid:373)ouflaged, a(cid:374)d it helps us to see (cid:449)hich foods are (cid:449)hich, if they"re [poiso(cid:374)ous or (cid:374)ot. Tactile pads and dermal ridges (dermal rigits are the lines on ur finger tips) on digits for greater prehensility. Our finger tips allow us to see different textures and the temperature. The front teeth are called the insizers, insizers they cut through the piece.

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