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