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