Here is another one
5. 1 4/5 × 15

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.  

d is the answer

step-by-step explanation:

answer:

c) the x-coordinate of the center of the circle increases by 3