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