Kayci has a bag of marbles. In the bag there are 4 white marbles, 3 yellow marbles, 5 red marbles, and 3 blue marbles. What is the probability of drawing a blue marble?

i need a picture

step-by-step explanation:

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.  

your answer would be b