3rd Grade Science Quiz
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BIOLOGICAL EVOLUTION: UNITY AND DIVERSITY
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A beach is eroding, and sea turtle nests fell from 50 (10 years ago) to 5 now. Storm damage to buildings increased. Solutions: (A) Seawall—cost $2,000,000\$2{,}000{,}000, protects buildings but worsens erosion and removes turtle habitat; (B) Add sand—cost $500,000\$500{,}000, could support 30 nests, repeat every 5–10 years; (C) Plant dune plants—cost $50,000\$50{,}000, cuts erosion 60%, takes 2 years; (D) Combine B + C—cost $550,000\$550{,}000, restores sand now and stabilizes later. Using the data, which solution best addresses the problem?
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