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