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