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