A) organisms B) community C) clade D) species
A) prezygotic B) reproductive C) hybrid sterility D) hybrid inviability
A) gametic B) behavioral C) ecological D) mechanical
A) ecological B) temporal C) gametic D) behavioral
A) mechanical B) gametic C) temporal D) behavioral
A) gametic B) ecological C) behavioral D) mechanical
A) mechanical B) gametic C) behavioral D) geographic
A) ecological B) mechanical C) behavioral D) gametic
A) extinction B) microevolution C) genetic equilibrium D) mutation
A) 9 B) 8 C) 10 D) 7
A) no natural selection happens B) mating is random C) no mutations happen D) all of these answers
A) They all had beaks for breaking hard seeds. B) They all were going extinct. C) They all descended from a common ancestor. D) Their beak sizes changed as the weather changed.
A) the weather B) reproductive isolation C) gene pools D) Natural selection
A) They flew to different islands. B) They ate different foods. C) They mated with different species. D) They built different nests.
A) Beak differences must cause differences in fitness. B) Finches attract mates through courtship rituals. C) Finches all eat the same type of food. D) Finches were blown by a storm from the mainland.
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) mutation D) macroevolution |