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