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