A) species B) community C) organisms D) clade
A) prezygotic B) reproductive C) hybrid sterility D) hybrid inviability
A) gametic B) ecological C) mechanical D) behavioral
A) ecological B) behavioral C) gametic D) temporal
A) gametic B) temporal C) behavioral D) mechanical
A) gametic B) ecological C) behavioral D) mechanical
A) mechanical B) gametic C) geographic D) behavioral
A) ecological B) behavioral C) gametic D) mechanical
A) mutation B) microevolution C) genetic equilibrium D) extinction
A) 8 B) 7 C) 9 D) 10
A) all of these answers B) no natural selection happens C) no mutations happen D) mating is random
A) They all had beaks for breaking hard seeds. B) Their beak sizes changed as the weather changed. C) They all descended from a common ancestor. D) They all were going extinct.
A) reproductive isolation B) Natural selection C) the weather 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 were blown by a storm from the mainland. B) Beak differences must cause differences in fitness. 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) Darwiniaism B) mutation C) macroevolution D) microevolution |