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