Carson argues that pesticides remain in the environment long after use. What is this phenomenon called?

Question

BlackTom AI · Accepted Answer

Question recap: Carson argues that pesticides remain in the environment long after use. What is this phenomenon called?
Option 1: Photosynthesis. This choice describes how plants convert light energy into chemical energy, not how pesticides persist in ecosystems. It is unrelated to the concept of pesticide residues accumulating over time.
Option 2: Biological magnification. This term refers to the process by which toxic substances become more concentrated in organisms higher up the food chain, due to biomagnification as energy transfers occur between trophic levels. Pesticides that persist in the environment can accumulate in organisms and increase in concentration as they move up the food web.
Option 3: Ecological resilience. This concept describes the capacity of an ecosystem to absorb disturbance and still recover, rather than the persistence or accumulation of chemicals. While resilience is about recovery, it does not specifically address how pesticide levels can magnify across organisms.
Option 4: Natural selection. This evolutionary mechanism explains how heritable traits that confer survival advantages become more common over generations. It does not describe chemical persistence or accumulation in ecosystems.
In summary, the phenomenon described—pesticides lingering in the environment and becoming more concentrated through the food web—is best captured by biological magnification, which is distinct from photosynthesis, ecological resilience, and natural selection.

Carson argues that pesticides remain in the environment long after use. What is this phenomenon called?单项选择题

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