Select each statement that is equivalent to the expression 8 + -534 A. The temperature decreased by 8 degrees and increased by 5.75 degrees. B. You buy an item for $8 and buy another item for $5.75. C. Your elevation is 8 feet below sea level and increases 5.75 feet. D. The temperature is 8 degrees and decreases 5.75 degrees. E. The temperature decreases 5.75 degrees and increases 8 degrees. F. Your elevation is 5.75 feet below sea level and increases 8 feet.

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.  

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step-by-step explanation: