5 divided by 15.90
Work for it

 0.3144654088   Hope this helps :)

Step-by-step explanation:

0.3144

Step-by-step explanation:

its just division

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.  

17

step-by-step explanation:

51/3=17

thus 17 is your answer.