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