Plant Ecology · Botany

Which of the following is a biotic component of an ecosystem?

  1. Soil pH
  2. Atmospheric humidity
  3. Decomposers
  4. Solar radiation
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Correct answer: Decomposers

Biotic components include all living organisms such as plants, animals, and microbes. Soil pH, humidity, and radiation are abiotic (non-living) factors.

Difficulty: Medium Question 15 of 20

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