Convert each statement in-if then form.
quadrilateral is a figure with four sides.
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Step-by-step explanation:

If a quadrilateral is a figure, then it has four sides.

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.