Question

Identification of human races was done by a particular trait. Name the trait?

Answer 1

Explanation:

Adaptive traits, such as skin color, have frequently been used to define races in humans, but such adaptive traits reflect the underlying environmental factor to which they are adaptive and not overall genetic differentiation, and different adaptive traits define discordant groups.

Answer 2

Evolutionary Adaptation traits

Explanation:

• All life adapts. It is essential to life that it responds to what is genuine about its condition. That is the reason, at any rate to a few of us, the fact of the matter is really significant. Without reality, we can't adjust and in the long run (or perhaps rapidly) beyond words. Individuals adjust at numerous levels.  
• We adjust as a human type, naturally. Our predecessors were numerous harriers. Some guess that we adjusted to walk or run long separations on the African Savannah and that the individuals who had less hair remained cooler, required less water and endure better.  
• We adjust socially. For instance, after some time, our predecessors figured out how to control fire and that it bodes well to have everybody lounge around the chamber fire and alternate talking about a suggestion that influences everybody that it does to have one individual with restricted information settle on that choice.