Answer :

natural selection, heredity and variation
Conservation biologists are most interested in which three evolutionary mechanisms are the natural selection, heredity and variation. These three mechanisms comprises the whole fundamental elements of Darwin’s theory of evolution which is the principles of evolutionary developmental biology. Furthermore, the natural selection concerns itself with survival of the fittest, as this theory suggests that adaptation is key to survival and the primal instincts of organisms were carried out as set in our genes –heredity. Naturally occurring and innate functions.