A gardener notices that one afternoon in July is unusually c…
A gardener notices that one afternoon in July is unusually cold and concludes that the region’s climate is cooling. Explain why this reasoning is flawed and what evidence would actually be needed to claim the climate is changing.
Read DetailsTwo lakes receive the same amount of fertilizer runoff. One…
Two lakes receive the same amount of fertilizer runoff. One lake is shallow with a large surface area; the other is deep with a small surface area. The shallow lake develops a large algae bloom and severe oxygen loss, while the deep lake changes little. Use what you know about lake structure and nutrients to explain why the two lakes responded so differently.
Read DetailsA company plans to clear a section of tropical rainforest fo…
A company plans to clear a section of tropical rainforest for farmland, expecting the rich forest to mean rich soil. Predict what will actually happen to the soil and crop productivity over time, and explain the ecological reasoning behind your prediction.
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