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