How have the historic levels of melanin in human populations changed due to migration? (1 point)
Responses
Humans that produced more melanin became more common as populations migrated away from the equator.
Humans that produced more melanin became more common as populations migrated away from the equator.
Humans that produced more melanin became more common as populations migrated toward the equator.
Humans that produced more melanin became more common as populations migrated toward the equator.
Humans that produced less melanin became more common as populations migrated toward the equator.
Humans that produced less melanin became 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 away from the equator.
Humans that produced less melanin became more common as populations migrated away from the equator.
How would reducing low-growing plants from an area impact a population of tortoises with two varieties of neck extension ability: short and long distance?(1 point)
Responses
The variety of tortoises with the ability to extend their necks a long distance would go extinct.
The variety of tortoises with the ability to extend their necks a long distance would go extinct.
The proportion of tortoises that could only extend their necks a short distance would increase.
The proportion of tortoises that could only extend their necks a short distance would increase.
The variety of tortoises that could only extend their necks a short distance would go extinct.
The variety of tortoises that could only extend their necks a short distance would go extinct.
The proportion of tortoises with the ability to extend their necks a long distance would increase.
The proportion of tortoises with the ability to extend their necks a long distance would increase.