If 9 people are rushing to sit down in just 5 seats, how many possible permutations
(arrangements)
are there?

constants mean the stopped points or the points on a graph that nothing is changing, hope this

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.