Which is a valid cause-and-effect relationship identified by the author?
A. The Endangered Species Act accelerates the decline of insects
such as the burying beetle.
B. Orange mites ensure the survival of beetle larvae by
eliminating competition for the carrion.
C. Populations of prairie chickens and passenger pigeons have
been reduced by the loss of the burying beetle.
D. The use of pesticides has devastated the global bee
populations.