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