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