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