The survival of most organisms is immediately threatened if they live at the site of a catastrophic forest fire,volcanic eruption or dust storm.These events,however can launch soot,ash or dust into different levels of the atmosphere,measurably lowering available sunlight at locations thousands of miles from the site.The _____ are most quickly and strongly impacted at these distances,with lack of growth and reproduction.

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Quizplus · Accepted Answer

Autotrophs, such as crops and woodlands, rely on sunlight for photosynthesis, which is directly impacted by the lowering of available sunlight. Heterotrophs, such as humans and livestock, can find alternative food sources or consume stored food, and deep-sea thermal vent communities are not impacted by events on land. Therefore, option A is the best choice.

The Survival of Most Organisms Is Immediately Threatened If They