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