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