https://www.nytimes.com/2002/02/26/science/when-humans-became-human.html

Feb 26, 2002 ... The first human ancestors appeared between five million and seven ... That is, when did they become fully human in behavior as well as body?

https://en.wikipedia.org/wiki/Human_evolution

Human evolution is the evolutionary process that led to the emergence of anatomically modern ... Human evolution from its first separation from the last common ancestor of humans ..... the debate about exactly where in Africa modern humans first appeared. ...... "Why did modern human populations disperse from Africa ca.

https://en.wikipedia.org/wiki/Timeline_of_human_evolution

The timeline of human evolution outlines the major events in the development of the human ... 3.5 Ga, This marks the first appearance of oxygenic photosynthesis and therefore the first .... They did not need to return to water for reproduction.

https://www.khanacademy.org/humanities/world-history/world-history-beginnings/origin-humans-early-societies/a/where-did-humans-come-from

Homo sapiens, the first modern humans, evolved from their early hominid predecessors between .... What effects did human evolution have on the environment?

http://anthro.palomar.edu/homo2/mod_homo_4.htm

It is now clear that early Homo sapiens, or modern humans, did not come after .... the first modern humans appear in the archaeological record rather suddenly ...

https://www.newscientist.com/article/dn9989-timeline-human-evolution/

Sep 4, 2006 ... When did humans first emerge on the scene, and how did we develop? ... Our own species Homo sapiens appears on the scene – and shortly ...

http://humanorigins.si.edu/evidence/human-fossils/species/homo-sapiens

Even though Linnaeus first described our species in 1758, it was not customary at that ... Although we did not evolve from any of the apes living today, we share ...

https://cosmosmagazine.com/palaeontology/where-did-we-come-from-a-primer-on-early-human-evolution

Jun 9, 2016 ... Dyani Lewis explains what we know about the human origin. ... to as Homo ergaster) first appeared in East Africa around two million years ago.

http://humanorigins.si.edu/education/introduction-human-evolution

Humans first evolved in Africa, and much of human evolution occurred on that ... learn about the physical appearance of earlier humans and how it changed.

https://www.smithsonianmag.com/science-nature/rethinking-modern-human-origins-5370343/

Jul 23, 2012 ... Did modern humans appear in the world suddenly or was our species' ... First, he shows how modern people's mitochondrial DNA could all ...