Why Is Bipedalism Considered One of the Hallmarks of Hominid

question 27

Multiple Choice

Why is bipedalism considered one of the hallmarks of hominid evolution?

• A)It was the first evolutionary development that distinguished humans from other animals.
• B)It was possible only after the advent of simple material culture.
• C)It followed brain expansion in human evolution.
• D)It allowed hominids to come out of the trees and make tools 10 mya.

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Definitions:

Organic Material

Matter derived from living organisms, typically consisting of carbon-based compounds.

Breccia Pipe

A pipe- or cone-shaped structure filled with breccia; mostly formed by cave collapse, but can also form by igneous and hydrothermal processes.

Uranium Ore

A natural mineral from which uranium can be economically extracted for use in energy production and nuclear weapons.

Caldera

A large, basin-shaped volcanic depression more extensive than a crater, formed by the collapse of land following a volcanic eruption.