試題詳解

48. Microevolution refers to:

(A) small-scale evolutionary changes within a population, observable over short periods, like allele frequency changes.

(B) large-scale evolutionary changes that never lead to new species.

(C) mechanisms entirely different from those causing macroevolution.

(D) changes that cannot lead to macroevolutionary patterns.

(E) speciation, as an exclusively macroevolutionary event.