when asked how old she was, suzie replied, "in two years i will be twice as old as i was five years ago." how old is she?

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.  

my guess would be b and d, but i didn’t actually get out the pen and paper. lol