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