A) organisms B) clade C) community D) species
A) hybrid inviability B) reproductive C) hybrid sterility D) prezygotic
A) mechanical B) behavioral C) gametic D) ecological
A) gametic B) temporal C) behavioral D) ecological
A) temporal B) behavioral C) gametic D) mechanical
A) behavioral B) mechanical C) ecological D) gametic
A) mechanical B) gametic C) geographic D) behavioral
A) ecological B) gametic C) mechanical D) behavioral
A) mutation B) microevolution C) extinction D) genetic equilibrium
A) 8 B) 10 C) 9 D) 7
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 descended from a common ancestor. C) They all were going extinct. D) Their beak sizes changed as the weather changed.
A) reproductive isolation B) Natural selection C) the weather D) gene pools
A) They mated with different species. B) They ate different foods. C) They built different nests. D) They flew to different islands.
A) Finches all eat the same type of food. B) Beak differences must cause differences in fitness. C) Finches were blown by a storm from the mainland. D) Finches attract mates through courtship rituals.
A) They caught and measured every bird on the island for thirty years. B) They gave the birds different foods so their beak sizes would change. C) They observed natural selection in action. D) They did laboratory experiments that proved Darwin was right.
A) Darwiniaism B) macroevolution C) mutation D) microevolution |