Key Features of Homo Habilis Flashcards

1
Q

What is homo habilis cranial capacity?

A

500 - 750cc

Higher frontal

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2
Q

What is homo habilis cranial shape?

A

Moderate post orbital constriction

Higher and wider parietals

Encephalization - Larger and more complex brain

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3
Q

Larger brain is associated with:

A

Odon stone tools

Scavenging behavior

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4
Q

What are the facial features of Homo habilis?

A

Moderate supra-orbital ridge

Wide zygomatic arch (not as wide as Australopithecus)

Ratio of face to brain decreases

Flat nasal bridge

Less lower facial prognathism

Receding chin

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5
Q

What are the dental features of Homo habilis?

A

Over all size of teeth are getting smaller

U-shape dental arcade

Deep palete

The molar and pre-molar should be parallel

Reduction of jaw strength

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6
Q

What kind of environment did the Homo habilis live in?

A

Woodland-savanna environments

Survived as general forager and scavenger

Used Oldowan tools to get bone marrow

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