On the day a certain celebrity proposes marriage, 888 people know about it. Each day afterward, the number of people who know grows by 50\%50%50, percent.

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.  

i dont know

step-by-step explanation:

umm. i dont know