Write and solve an equation to find the number. the sum of -5 and a number is -15. a. -5 + n = -15; -10 c. n + 5 = -15; -20 b. 5 - n = -15; 20 d. 5n = -15; -3

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.