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