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