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