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