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