Answer:
Complete dominance Result from successive mutations of the same GENE.
Explanation:
The correct answer is D. Animals not adapted to cold migrate to warmer regions, because suppose that the cold temperatures kill most of the plants, so if they can die why they select that place to live? The option B is not logical because this require long time to evolve this characteristic and the option C has more logic but it still not enough, because if the temperatures are colder more animals can die. I hope this help.
Oh man i remember learning about this but i cant remember what the answer is i will see what I can do :D
The question is not clear
Heat energy is absorbed when boiling point comes