アフリカから初期の人類の分散に関するアジアの視点
1Department of Archaeology, University of Sheffield, Sheffield S1 4ET, UK.
Nature
|December 24, 2005
まとめ
最近の化石の発見は,初期の人類の移住に関する長年にわたる"Out of Africa 1"モデルに異議を唱えている. 新しい証拠は,これまで考えられていたよりもずっと早くアジアにホミニンが存在していたことを示唆しており,代替説明が必要である.
科学分野:
- 古人類学は,古人類学である.
- 人間の進化 人類の進化
- 考古学考古学とは
背景:
- ほら,ほら,ほら,ほら
- アウト・オブ・アフリカ 1 1
- このパラダイムは,初期のヒト類の分散についての説明を長い間支配してきた.
研究 の 目的:
- 支配的な"アフリカからの脱出"のパラダイムを再評価する.
- アフリカ以外での初期のヒト類の拡散の代替説明を探求する.
- 新しい化石の証拠を人間の進化の理解に組み込むこと.
主な方法:
- プリオセーンとプレイストセーン時代の新発見のホミニン化石分類体の分析.
- ホミニンの化石遺跡の放射線年代測定,特にアジア.
- 形態学的および時間学的データの比較分析.
主要な成果:
- 過去10年間で少なくとも10の新しいヒト類が特定されました.
- アジアにおけるホミニンの存在は,180万年前と推移している.
- 既存の化石の証拠は,伝統的な"Out of Africa 1"モデルと矛盾しています.
結論:
- "Out of Africa 1"理論は,初期のヒト類の移住を過度に単純化しているのかもしれない.
- 新しい化石データにより,代替的な分散モデルの開発が必要となる.
- 人間の進化と移住パターンは,最近の発見に基づいた改訂された理解を必要とします.
関連する概念動画
Migration
8.1K
Migration is long-range, seasonal movement from one region or habitat to another. This common strategy, carried out by many different organisms around the world, is an adaptive response that typically corresponds to changes in an organism’s environment, like resource availability or climate. Migrations can involve huge groups of thousands of animals as well as single individuals traveling alone and can range from thousands of kilometers to just a few hundred meters.
8.1K
Genetics of Speciation
19.0K
Speciation is the evolutionary process resulting in the formation of new, distinct species—groups of reproductively isolated populations.
19.0K
What is Evolutionary History?
31.1K
Scientists record evolutionary history by analyzing fossil, morphological, and genetic data. The fossil record documents the history of life on Earth and provides evidence for evolution. However, both fossil and living organisms offer evidence that outlines Earth’s evolutionary history.
31.1K
Synteny and Evolution
2.9K
John H. Renwick first coined the term “synteny” in 1971, which refers to the genes present on the same chromosomes, even if they are not genetically linked. The species with common ancestry tend to show conserved syntenic regions. Therefore, the concept of synteny is nowadays used to describe the evolutionary relationship between species.
Around 80 million years ago, the human and mice lineages diverged from the common ancestor. During the course of evolution, the ancestral...
Around 80 million years ago, the human and mice lineages diverged from the common ancestor. During the course of evolution, the ancestral...
2.9K
Evolutionary Psychology
1.3K
Evolutionary psychology explores the origins of human behavior and mental processes by framing them within the context of natural selection, a theory famously propounded by Charles Darwin. This field asserts that many behaviors common across human societies — ranging from instinctive fear reactions to complex social interactions — arose as evolutionary adaptations. These adaptations enhanced the survival and reproductive success of our ancestors, thereby becoming embedded in the...
1.3K
Criticisms of the Evolutionary Perspective
516
In a study where individuals posing as strangers offered compliments and proposed casual sex to students, the responses differed significantly based on gender. Not a single woman accepted the proposal, while 70% of the men agreed. This outcome provides a useful scenario to explore through the lens of evolutionary psychology and social learning theory, highlighting the diverse perspectives on human sexual behaviors.
Evolutionary psychology provides one explanation for these findings, suggesting...
Evolutionary psychology provides one explanation for these findings, suggesting...
516


