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