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