Human evolution | History, Stages, Timeline, Tree, Chart, & Facts ...
3 天之前 · Viewed zoologically, we humans are Homo sapiens, a culture-bearing upright-walking species that lives on the ground and very likely first evolved in Africa about 315,000 years ago.
Timeline of human evolution - Wikipedia
The timeline of human evolution outlines the major events in the evolutionary lineage of the modern human species, Homo sapiens, throughout the history of life, beginning some 4 billion years ago down to recent evolution within H. sapiens during and since the Last Glacial Period.
An Evolutionary Timeline of Homo Sapiens | Smithsonian
2021年2月2日 · One of our earliest-known ancestors, Sahelanthropus, began the slow transition from ape-like movement some six million years ago, but Homo sapiens wouldn’t show up for more than five million years....
How Did Humans Evolve? - HISTORY
2020年3月5日 · Scientists still don’t know exactly when or how the first humans evolved, but they’ve identified a few of the oldest ones. One of the earliest known humans is Homo habilis, or “handy man,” who...
Human evolution - Wikipedia
Human evolution is the evolutionary process within the history of primates that led to the emergence of Homo sapiens as a distinct species of the hominid family that includes all the great apes. [1] .
Introduction to Human Evolution | The Smithsonian Institution's …
2024年7月9日 · Humans first evolved in Africa, and much of human evolution occurred on that continent. The fossils of early humans who lived between 6 and 2 million years ago come entirely from Africa. Most scientists currently recognize some 15 to 20 different species of early humans.
Human history - Wikipedia
The Age of Discovery was the first period in which the Old World engaged in substantial cultural, material, and biological exchange with the New World. It began in the late 15th century, when Portugal and Castile sent the first exploratory voyages to the Americas, where Christopher Columbus first arrived in 1492.
Early Human Migration - World History Encyclopedia
2017年5月15日 · The main model followed today – that of Erectus being the first globetrotting humans spreading out from Africa across Eurasia – does not seem to account for all the evidence cropping up today. But, seeing that we do not have enough material yet to flesh out a more complex story, Homo erectus must still play a feature role in our story of ...
Chapter 14 Health and Psychology Flashcards - Quizlet
In the first stage of the stages of change model, people do not contemplate change because they might be in denial of their problems. This stage is called the _____ stage. a. self-efficacy b. oblivious c. planned behavior d. precontemplation
Jean Piaget: Life and Theory of Cognitive Development - Verywell …
2023年11月13日 · Sensorimotor stage: The first stage of development lasts from birth to approximately age 2. At this point in development, children know the world primarily through their senses and movements.