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