Imagine You Have Found a Skull with an Ape-Size Brain

question 3

Multiple Choice

Imagine you have found a skull with an ape-size brain, sagittal crest, very large back teeth, and large cheekbones. Based on this information, this is most likely a specimen of

• A) Australopithecus afarensis.
• B) a robust australopith.
• C) Australopithecus africanus.
• D) a modern human.

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Definitions:

Dikes

Vertical or steeply inclined sheet-like bodies of igneous rock that cut through sedimentary rock layers.

Intrusive Rock

Igneous rock formed from magma that cools and solidifies within the crust of the planet, creating large crystal grains.

Extrusive Rock

Igneous rock that forms on the Earth's surface as lava cools and solidifies.

Igneous Rock

Stone created by magma or lava hardening as it cools.