A) community B) species C) organisms D) clade
A) reproductive B) hybrid sterility C) hybrid inviability D) prezygotic
A) mechanical B) behavioral C) ecological D) gametic
A) ecological B) temporal C) gametic D) behavioral
A) mechanical B) gametic C) temporal D) behavioral
A) ecological B) mechanical C) behavioral D) gametic
A) mechanical B) gametic C) geographic D) behavioral
A) ecological B) gametic C) behavioral D) mechanical
A) microevolution B) mutation C) genetic equilibrium D) extinction
A) 8 B) 7 C) 10 D) 9
A) no natural selection happens B) no mutations happen C) mating is random D) all of these answers
A) They all were going extinct. B) They all had beaks for breaking hard seeds. C) Their beak sizes changed as the weather changed. D) They all descended from a common ancestor.
A) reproductive isolation B) gene pools C) the weather D) Natural selection
A) They flew to different islands. B) They ate different foods. C) They mated with different species. D) They built different nests.
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) macroevolution C) microevolution D) Darwiniaism |