Why should people be concerned about the extinction of a species? A. The extinction of a species is an opportunity for new species to emerge. B. The extinction of a species upsets the balance of ecosystems. C. The extinction of a species increases overall biodiversity. D. The extinction of a species can be reversed with captive breeding.

B. The extinction of a species upsets the balance of ecosystems.

the answer is letter (B)

B; The extinction of a species upset the balance of ecosystem

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videntify the dna change shown in the diagram and explain how that change can result in the increased genetic diversity often seen among siblings.identify the dna change shown in the diagram and explain how that change can result in the increased genetic diversity often seen among siblings.

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