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