Homo - Wikipedia
3 天之前 · Homo (from Latin homō 'human') is a genus of great ape (family Hominidae) that emerged from the genus Australopithecus and encompasses only a single extant species, Homo sapiens (modern humans), along with a number of extinct species (collectively called archaic humans) classified as either ancestral or closely related to modern humans; these ...
Human body | Organs, Systems, Structure, Diagram, & Facts
2024年12月10日 · The human body is the physical substance of the human organism. Characteristic of the vertebrate form, the human body has an internal skeleton with a backbone, and, as with the mammalian form, it has hair and mammary glands.
Human cloning - Wikipedia
3 天之前 · Human cloning is the creation of a genetically identical copy of a human. The term is generally used to refer to artificial human cloning , which is the reproduction of human cells and tissue . It does not refer to the natural conception and delivery of identical twins .
Homo sapiens - The Smithsonian's Human Origins Program
2024年1月3日 · The species that you and all other living human beings on this planet belong to is Homo sapiens. During a time of dramatic climate change 300,000 years ago, Homo sapiens evolved in Africa. Like other early humans that were living at this time, they gathered and hunted food, and evolved behaviors that helped them respond to the challenges of ...
Multiregional origin of modern humans - Wikipedia
5 天之前 · Multiregional evolution holds that the human species first arose around two million years ago and subsequent human evolution has been within a single, continuous human species.
Introduction to Human Evolution | The Smithsonian Institution's Human …
2024年7月9日 · Human evolution is the lengthy process of change by which people originated from apelike ancestors. Scientific evidence shows that the physical and behavioral traits shared by all people originated from apelike ancestors and evolved over a …
What Is the Definition of the Word Human? - Discover Magazine
2024年2月1日 · What Is the Definition of the Word Human? The definition of our own species isn’t as clear cut as many might think. Explore the intricate nuances of our identity, examining factors like bipedalism, brain development, and societal structures.
Organs in the body: Diagram and all you need to know - Medical News Today
2024年1月26日 · The five vital organs in the human body are the brain, heart, lungs, kidneys, and liver. Other organs include the gallbladder, pancreas, and stomach.
Human Evolution - Smithsonian National Museum of Natural …
2024年10月18日 · Human evolution is the lengthy process of change by which people originated from apelike ancestors. Scientific evidence shows that the biological and behavioral traits shared by all people originated from apelike ancestors and evolved over a …
Human intelligence - Wikipedia
2024年12月19日 · Human intelligence is the intellectual capability of humans, which is marked by complex cognitive feats and high levels of motivation and self-awareness. Using their intelligence, humans are able to learn, form concepts, understand, and apply logic and reason.
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