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