이스터 섬의 고대 DNA와 인구 붕괴 이론

According to ancient DNA analysis of Easter Island, what kind of population changes did this island undergo?

• Rapid population decline

• Continuous population increase

• Surge in population

• Population stagnation

Answer explanation

Ancient DNA analysis of Easter Island indicates a continuous population increase over time, reflecting the island's ability to support its inhabitants despite environmental challenges.

When did the inhabitants of Easter Island reach the American continent?

• 1500s

• 1400s

• 1300s

• 1200s

Answer explanation

The correct answer is the 1300s, as archaeological evidence suggests that the inhabitants of Easter Island began migrating to the American continent during this period, marking significant cultural exchanges.

What has been revealed through the analysis of ancient DNA from Easter Island?

• Population decreased by 90%

• Population continuously increased

• Population decreased by 50%

• Population remained stagnant

Answer explanation

Analysis of ancient DNA from Easter Island indicates that the population continuously increased over time, contradicting theories of significant decline or stagnation.

When did the inhabitants of Easter Island exchange genes with South America?

• Between 1250 and 1430

• Between 1500 and 1600

• Early 1700s

• Mid 1800s

Answer explanation

Genetic studies indicate that the inhabitants of Easter Island began exchanging genes with South Americans between 1250 and 1430, aligning with the correct answer choice.

What plant artifacts did the ancient inhabitants of Easter Island discover?

• Potato

• Sweet potato

• Corn

• Wheat

Answer explanation

The ancient inhabitants of Easter Island primarily cultivated the sweet potato, which was well-suited to the island's climate. Unlike corn, wheat, or regular potatoes, sweet potatoes were a staple in their diet.

Which archaeological site did the research team involved in the ancient DNA study of Easter Island investigate?

• Easter Island's beach

• Rapa Nui National Park

• Moai statues

• Rano Raraku volcano

Answer explanation

The research team focused on Rano Raraku volcano, which is significant for its role in the quarrying of the Moai statues. This site provides crucial insights into the ancient DNA study related to Easter Island's inhabitants.

Who is the author of the theory regarding the population decline of Easter Island?

• Jared Diamond

• Lisa Matisoo-Smith

• Alphonse Pinar

• Alfred Metro

Answer explanation

Jared Diamond is the author of the theory explaining the population decline of Easter Island, which he discusses in his book 'Collapse'. He attributes the decline to environmental factors and societal choices.

In which journal was the ancient DNA research of Easter Island published?

• Nature

• Preprint

• Science

• Nature Communications

Answer explanation

The ancient DNA research of Easter Island was published in 'Nature', a prestigious scientific journal known for high-impact research. This distinguishes it from other options like 'Preprint' and 'Nature Communications'.