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