A) species B) clade C) organisms D) community
A) prezygotic B) hybrid inviability C) reproductive D) hybrid sterility
A) mechanical B) ecological C) behavioral D) gametic
A) behavioral B) temporal C) ecological D) gametic
A) mechanical B) temporal C) behavioral D) gametic
A) mechanical B) gametic C) behavioral D) ecological
A) behavioral B) gametic C) geographic D) mechanical
A) ecological B) behavioral C) gametic D) mechanical
A) genetic equilibrium B) microevolution C) mutation D) extinction
A) 8 B) 7 C) 9 D) 10
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) Their beak sizes changed as the weather changed. C) They all descended from a common ancestor. D) They all had beaks for breaking hard seeds.
A) gene pools B) the weather C) Natural selection D) reproductive isolation
A) They built different nests. B) They ate different foods. C) They flew to different islands. D) They mated with different species.
A) Finches were blown by a storm from the mainland. B) Finches attract mates through courtship rituals. C) Finches all eat the same type of food. D) Beak differences must cause differences in fitness.
A) They did laboratory experiments that proved Darwin was right. B) They caught and measured every bird on the island for thirty years. C) They gave the birds different foods so their beak sizes would change. D) They observed natural selection in action.
A) mutation B) macroevolution C) microevolution D) Darwiniaism |