A) community B) clade C) organisms D) species
A) hybrid inviability B) reproductive C) prezygotic D) hybrid sterility
A) gametic B) mechanical C) ecological D) behavioral
A) ecological B) gametic C) behavioral D) temporal
A) mechanical B) behavioral C) gametic D) temporal
A) gametic B) ecological C) behavioral D) mechanical
A) mechanical B) gametic C) geographic D) behavioral
A) mechanical B) behavioral C) ecological D) gametic
A) microevolution B) mutation C) genetic equilibrium D) extinction
A) 7 B) 10 C) 9 D) 8
A) no natural selection happens B) no mutations happen C) mating is random D) all of these answers
A) They all descended from a common ancestor. B) They all had beaks for breaking hard seeds. C) Their beak sizes changed as the weather changed. D) They all were going extinct.
A) reproductive isolation B) gene pools C) Natural selection D) the weather
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) Beak differences must cause differences in fitness. D) Finches all eat the same type of food.
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 observed natural selection in action. D) They gave the birds different foods so their beak sizes would change.
A) Darwiniaism B) microevolution C) mutation D) macroevolution |