In your own words: Explain why there is such a wide variation for the trait of skin tone in humans. Use two to three sentences (only one sentence and use 10 year old words)
3 answers
Skin tone in humans can vary widely because different people have different amounts of melanin, a pigment in the skin that determines its color. Factors like genetic inheritance and exposure to sunlight can also influence a person's skin tone.
Shorter
People have different skin tones because of genetics and how much sun they get.