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