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