A) community B) species C) organisms D) clade
A) hybrid inviability B) prezygotic C) hybrid sterility D) reproductive
A) behavioral B) mechanical C) gametic D) ecological
A) behavioral B) gametic C) temporal D) ecological
A) mechanical B) behavioral C) gametic D) temporal
A) ecological B) behavioral C) gametic D) mechanical
A) gametic B) mechanical C) behavioral D) geographic
A) mechanical B) ecological C) behavioral D) gametic
A) mutation B) microevolution C) genetic equilibrium D) extinction
A) 9 B) 8 C) 10 D) 7
A) mating is random B) all of these answers C) no natural selection happens D) no mutations happen
A) They all descended from a common ancestor. B) They all were going extinct. C) They all had beaks for breaking hard seeds. D) Their beak sizes changed as the weather changed.
A) Natural selection B) gene pools C) reproductive isolation D) the weather
A) They flew to different islands. B) They built different nests. C) They ate different foods. D) They mated with different species.
A) Finches were blown by a storm from the mainland. B) Finches all eat the same type of food. C) Beak differences must cause differences in fitness. D) Finches attract mates through courtship rituals.
A) They gave the birds different foods so their beak sizes would change. B) They caught and measured every bird on the island for thirty years. C) They did laboratory experiments that proved Darwin was right. D) They observed natural selection in action.
A) microevolution B) Darwiniaism C) mutation D) macroevolution |