What explains the reason for people having different facial features? Japanese, Africans, Europeans, Arabs etc

Question

What explains the reason for people having different facial features? Japanese, Africans, Europeans, Arabs etc

Answer 1

If you mean different eye shape, brow shape etc then I hope this helps.

It was explained to me as (this is only a likely theory) when humans first migrated originally from what is believed to be present day Africa, they moved to certain areas, take Europe for example.

On a very basic level the environmental conditions were different to their original home, so some of the early humans were not suited to the new environment, for example skin colour.

We get vitamin D from the sunlight, which is abundant in Africa, but sunlight wasn’t as readily available in Europe, so when early humans moved to Europe, the people with darker skin were more "protected" from the sun, but could no longer get their requirements of vitamin D. But people with lighter skin (more unsuitable to the sun) still got their requirements of vitamin D. The darker skinned people over many generations would slowly have declined in numbers, as they may would have become ill and weaker due to less vitamin D there fore they would not have reproduced and the trait (darker skin) would have been slowly removed from the gene pool.

This works the same with other traits and thus would have affected facial features also.

People are believed to have migrated to modern Asia etc, because of unsuited environmental conditions, the people without the “helpful” traits would not reproduce as successfully as the others and eventually the less helpful traits would become rarer with each passing generation.

Answer 2

Some cultures are repressed, which not allows to self expression. Other ethnic groups are just not expressive. But there is one thing in common among all humans: laughter and sorrow are easily detected

Answer 3

Each sector of people have their features based on the climatic and geographical conditions of the place of their habitat.....This has naturally occured some millions of years ago.....

Answer 4

we were told in my biology class that asians have slanted eyes because when humans were first migrating to those land areas over areas that were very windy and dusty, so their eyes adapted to provide more protection and not get as much stuff in them.  there are people in the alps i believe, if not the alps, some high up mountain people, who have gotten larger chests, not b*****s, chests (they are known as barrel chested) because there is less oxygen in the air so they adapted to it so that their lungs could expand more, getting more oxygen from the air.  any group of people that are closer to the equator had darker skin pigments to protect them from the sun better, and the further north or south you went, the less you needed that because it wasnt as intense, but different people migrated at different times mixing in with natives or previous populations, so there is some commonality out there

Answer 5

In a word..Genetics

Answer 6

Isolation.....before travel was easy, people had a limited gene pool.

Answer 7

i don`t know

maybe evolution...

somehow these facial features helped them to survive...

Answer 8

It is all about where and who we grow up and evolve around.

Answer 9

Believe it or not, it's actually geographical conditions (like weather, temperature, sunlight, relief) that determined exterior anatomy as the human race developed in various places in the world.

Answer 10

I believe that when God changed their language at the Tower of Babel that He also changed their features.  I may be wrong but that is what I believe.  Thank you for your question.

Answer 11

It is called DNA.

Answer 12

God knows!

Answer 13

when the man apeard in the earth as constantly moved for the search of food they got to certain palces where they have to adaptt to the enviroemtn in order to surivve that is why the differnces in the races

Answer 14

variation as per the Synthetic Law of Evolution

Answer 15

It is a question of colour first of all.But I am more interested why the bad people are having bad eyes and good people are having good eyes...because some who is bad looks like a bad man...cold heart , cold eyes...

Answer 16

CLIMATE my Friends is what is all about. shorter people in cold weather. look at the European in the ice age, or Eskimos. hot areas, darker skins and slimmer.  climate grows our crops, and animals that live in their local area. then comes DNA that centers around the climate.