The Transition to Fully Modern Homo Sapiens Was Completed Globally

question 12

Multiple Choice

The transition to fully modern Homo sapiens was completed globally by about:

• A)400,000 yBP.
• B)1.6 mya.
• C)160,000 yBP.
• D)25,000 yBP.

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Definitions:

Plant-rich Swamp

An ecosystem characterized by saturated ground and abundant plant life, often found in low-lying areas.

Sedimentary Rock

Rock formed by the accumulation or deposition of mineral and organic particles at the Earth's surface, followed by compaction and cementation.

Iron Formation

A rock composed of millimeter- to centimeter-thick layers of iron-bearing minerals, especially iron oxide, commonly with quartz.

Gypsum Formation

A geological process leading to the creation of gypsum, a mineral used in building materials and fertilizers, through the evaporation of mineral-rich water.