A) organisms B) species C) clade D) community
A) reproductive B) prezygotic C) hybrid inviability D) hybrid sterility
A) ecological B) gametic C) behavioral D) mechanical
A) gametic B) temporal C) ecological D) behavioral
A) gametic B) mechanical C) behavioral D) temporal
A) mechanical B) ecological C) behavioral D) gametic
A) mechanical B) gametic C) geographic D) behavioral
A) mechanical B) ecological C) behavioral D) gametic
A) extinction B) genetic equilibrium C) microevolution D) mutation
A) 8 B) 7 C) 9 D) 10
A) no natural selection happens B) all of these answers C) no mutations happen D) mating is random
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) gene pools B) Natural selection C) reproductive isolation D) the weather
A) They ate different foods. B) They mated with different species. C) They flew to different islands. D) They built different nests.
A) Finches attract mates through courtship rituals. B) Finches all eat the same type of food. C) Finches were blown by a storm from the mainland. 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 observed natural selection in action. D) They gave the birds different foods so their beak sizes would change.
A) macroevolution B) Darwiniaism C) mutation D) microevolution |