Name: 人間の起源。一つの種、世界に生きる (Human Origins: One Species, Living Worldwide)
Uploaded: 2021-01-14T04:51:43.000Z
Duration: 4 min 21 s
Description: VoiceTubeの動画で発音を聞きながら英語表現を覚えよう！学べる英語：

Every person living on earth today belongs to

And humans worldwide have always been curious

We can now trace our origins back at least six million years

to Africa, where the earliest humans evolved.

Several early human species emerged there,

and survived in a variety of environments and climates

before evolving into new species or going extinct.

About two million years ago some populations of

early humans began to spread beyond Africa.

Over hundreds of thousands of years populations moved

into Asia where they faced the challenges of yet new

Then about two hundred thousand years ago,

Over time populations of Homo sapiens spread

throughout Africa into Europe and western Asia.

In some of these places early human species lived on

This journey of Homo sapiens began during

There were extreme droughts and monsoons in Africa,

and other environmental upsets there and in Asia.

At one point our species' population was reduced to

Our ability to use our human traits to meet new

While earlier human species became extinct,

modern humans continued to spread around the world.

Homo sapiens was not only a worldwide species,

we were the sole surviving human species.

Like some earlier humans, we evolved differences in skin

color and hair texture as we adapted to different

But these differences are only skin deep.

They follow along the continuum and do not

separate modern humans into the categories

The DNA of all modern humans is 99.9% identical.

You are part of this six million year story of

It is written in the language of your genes,

With the billions of other humans living today,

字幕リスト動画再生

人間の起源。一つの種、世界に生きる (Human Origins: One Species, Living Worldwide)

early

begin

today

living