Multiple choice

Which would most likely be an adaptation of humans in Alaska before technology?

  1. smaller brains

  2. more fat cells

  3. faster metabolism

  4. thinner hair

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

In cold environments like Alaska, having more body fat (adipose tissue) serves as insulation to help retain body heat, which is a clear survival advantage in freezing temperatures.