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