How have the historic levels of melanin in human populations changed due to migration? (1 point)
Humans that produced more meların bocame more common as populations migrated toward the equator
Humans that produced less melanin became more common as populations migrated away from the equator
Humans that produced less melanin became more common as populations migrated toward the equator
O Humans that produced more melanin became more common as populations migrated away from the equator