· Abiotic factors are nonliving, such as temperature, sunlight, and soil in an ecosystem.
· Biotic factors are the living parts of an ecosystem, such as plants and animals.
Given the above, the biotic factor listed is evergreen trees in a coniferous forest.
The other options - soil, precipitation, and temperature - are abiotic.
Answer:
<span>C. evergreen trees present in a coniferous forest
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