Students were surveyed about their favorite colors. of the students preferred red, of the students preferred blue, and of the remaining students preferred green. If 15 students preferred green, how many students were
surveyed?

the answer is; biodiversity resulting from few ancestors

adaptive radiation occurs when a population is subjected to a large natural environment with spatial ecological variations. the parts of the population in the different ecologies begin to adapt to their local environments. due to non-random mating across the large populations, this causes the different populations from the large population to speciate within their local environments. they, therefore, diverge to different species sharing a common ancestor.