ECOLOGY
ORGANISMS AND THE ENVIRONMENT
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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factory and automotive emissions causing acid rain
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redirecting and storing freshwater behind dams
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cutting down trees to build new buildings and roads
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all of these
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Detailed explanation-1: -Two ways in which humans frequently harm ecosystems and affect other organisms is through land use and pollution.
Detailed explanation-2: -Humans impact the physical environment in many ways: overpopulation, pollution, burning fossil fuels, and deforestation. Changes like these have triggered climate change, soil erosion, poor air quality, and undrinkable water.
Detailed explanation-3: -Natural causes of changes in ecosystems include wildfire, disease, and flooding. Human causes of changes in ecosystems include clearing land for other use, pollution, and introducing invasive species.
Detailed explanation-4: -Impacts from human activity on land and in the water can influence ecosystems profoundly. Climate change, ocean acidification, permafrost melting, habitat loss, eutrophication, stormwater runoff, air pollution, contaminants, and invasive species are among many problems facing ecosystems.