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