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