試題詳解

43. Which of the following is true of evolution?
(A) Evolutionary changes increase the ability of a species to survive and reproduce in a specific environment
(B) Evolutionary changes increase the ability of a species to survive and reproduce under any circumstances
(C) Evolutionary changes result in a species bec ming more and more abundant over time
(D) Evolutionary changes result in animals becoming larger over time and having larger numbers of ofispring