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