Why is the theme of evolution considered to be the core theme of biology by biologists?
A)It provides a framework within which all biological investigation makes sense. B)It is recognized as the core theme of biology by organizations such as the National Science Foundation. C)Controversy about this theory provides a basis for a great deal of experimental research. D)Since it cannot be proven, biologists will be able to study evolutionary possibilities for many years. E)Biologists do not subscribe to alternative models.