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