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