A) species B) organisms C) community D) clade
A) prezygotic B) reproductive C) hybrid sterility D) hybrid inviability
A) behavioral B) gametic C) mechanical D) ecological
A) behavioral B) ecological C) gametic D) temporal
A) gametic B) mechanical C) behavioral D) temporal
A) mechanical B) gametic C) ecological D) behavioral
A) gametic B) geographic C) mechanical D) behavioral
A) behavioral B) ecological C) gametic D) mechanical
A) microevolution B) genetic equilibrium C) extinction D) mutation
A) 10 B) 7 C) 8 D) 9
A) mating is random B) all of these answers C) no mutations happen D) no natural selection happens
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) Natural selection B) the weather C) gene pools D) reproductive isolation
A) They flew to different islands. B) They ate different foods. C) They built different nests. D) They mated with different species.
A) Finches attract mates through courtship rituals. B) Finches all eat the same type of food. C) Finches were blown by a storm from the mainland. 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) Darwiniaism C) macroevolution D) microevolution |