Which of the following statements best explains why the silverswords underwent an adaptive radiation and the tarweeds did not?
A) The ancestors of the silverswords had more ecological opportunities.
B) There were fewer trees in the areas in which the ancestors of the tarweeds settled.
C) Silverswords had a more behaviorally complex mating system, and thus there were more opportunities for the evolution of prezygotic reproductive isolation.
D) Stabilizing selection prevented the evolution of reproductive isolation in tarweeds.
E) None of the above.

Question

Quizplus · Accepted Answer

The Answer of Which of the following statements best explains why the silverswords underwent an adaptive radiation and the tarweeds did not?
A) The ancestors of the silverswords had more ecological opportunities.
B) There were fewer trees in the areas in which the ancestors of the tarweeds settled.
C) Silverswords had a more behaviorally complex mating system, and thus there were more opportunities for the evolution of prezygotic reproductive isolation.
D) Stabilizing selection prevented the evolution of reproductive isolation in tarweeds.
E) None of the above.

Which of the Following Statements Best Explains Why the Silverswords