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