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