About How Old Are the Oldest Archaeological Sites in Eastern

question 113

Multiple Choice

About how old are the oldest archaeological sites in eastern Siberia, the most likely source area for the first Americans:

• A) 73,000-75,000 years old
• B) 32,000-34,000 years old
• C) 18,000-20,000 years old
• D) 8,000-9,500 years old

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Definitions:

First Land Animals

Early terrestrial organisms, primarily arthropods and amphibians, that colonized land during the Paleozoic era.

Arthropods

Invertebrate animals with exoskeletons, segmented bodies, and jointed limbs, including insects, arachnids, and crustaceans.

DNA

Deoxyribonucleic acid, a molecule that carries the genetic instructions used in growth, development, functioning, and reproduction of all known living organisms.

Information Transfer System

Mechanisms or structures that facilitate the exchange of data or knowledge between different entities or processes.