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