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