Diane Dodd's Experiments Using Fruit Flies Demonstrated That

Multiple Choice

Diane Dodd's experiments using fruit flies demonstrated that

A) formation of a reproductive barrier between two populations is more likely if they experience and adapt to different environmental conditions.
B) reproductive barriers usually are absolute-either two populations are fully willing and able to interbreed,or they are strictly separated by a fully effective reproductive barrier.
C) the evolution of reproductive barriers occurs much too slowly to produce measurable effects in the laboratory.
D) new species can form in a single generation by the production of new reproductive structures.