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