試題詳解

23. Which statement about evolutionary adaptation is TRUE?
(A) An individual who has learned how to survive cold winters has become adapted to the cold.
(B) A population that has an increase in frequency of alleles for thicker fur has become adapted to the cold.
(C) Adaptation results when cold temperatures cause mutations for longer fur.
(D) Adaptation is possible when all the alleles in a gene pool are the same.