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05.03 Primate Evolution

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monique petersen

on 16 November 2013

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Transcript of 05.03 Primate Evolution

CREATED BY: Monique Petersen
Materials
4 Known Species
1 Unknown Species
Calipers
Procedures
Step 1: Put each skull facing left.
Step 2: Look at all of the skulls from the side and write what you see.
Step 3: Look at each skull from he bottom and find the foremen magnum (connects to spinal cord)
Step 4: look at each skull (from the top) and write about the shape of the brain cavity.
(Fill in data chart in this process)
Continue Conclusion
In what way do you think the location of the foramen magnum relates to the movement of each species?
I think it would tell you either the gender of the species or the age of it.
Continue Conclusion
Faces, Teeth, Foreheads, are different their is not two skulls identically the same. It can be close but not exact. Every skull is uniquely different.
Conclusion
My hypothesis was wrong :( The Unidentified Skull is not like the Homo Sapiens but it is a lot like the Australopithecus skull. (But more like the Pan Troglodyte with the supraobrital height).
Hypothesis
In my opinion the homo sapiens looks more like the unknown skull because of its facial features.
05.03 Primate Evolution
Skulls
Forehead
Face
Teeth
Foramen
Magnum
Brain
Activity
Supraorbital
Height
Pan Troglodytes
Homo Sapiens
Homo Erectus
Australopithecus
Unidentified
Vertical
Medium Bridge Ridges
Forehead Extends Above Eyes
Large Eyes

Vertical
Small Brow Ridges
Small Eyes
Forehead Not Extended Above Eyes
Horizontal
Medium Brow Ridges
Medium Size Eyes
Does Not Extend Above eyes
Vertical
Large Brow Ridges
Large Eyes
Does Extends Above Eyes
Horizontal
Medium Brow Ridges
Medium Eyes
Doesn't Extend Above The Eyes
Sloped
Vertical
Flattened
Sloped
Sloped
Long
Dull
Short
Dull
Short
Dull
Long
Sharp
Short
Dull
Rear
Front
Front
Rear
Rear
Oval
Squared Off
Like the Australopithecus Skull
Round
Squared Off
Unlike any other skull
Oval
Squared Off
Just like The Pan Troglodytes Skull
Oval
Pointed Off
Like The Undefined skull
Oval
Pointed Off
Like the Australopithecus Skull
55.76cm
67.70cm
61.88cm
53.20cm
51.36cm
The foramen is
important cause its where the spinal cored connects to the brain. The foramen is also needed to keep your head up straight.
DATA / Observations
Calculations
Unknown: (3.39 / 6.60)100= 51.36
Pan Troglodytes: (3.34/6.08)100=55.76
Homo Sapiens: (6.10/9.01)100=67.70
Homo Erectus: (4.14/6.69)100=61.88
Australopithecus: (3.15/5.92)100=53.21
What might the shape of the skull and the supraorbital height tell us about each species?
THE END
Full transcript