Multiple choice

Carbon enters the biotic part of the ecosystem during the process of...

  1. Primary consumers

  2. Ecological Succession

  3. Cellular respiration

  4. Photosynthesis

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Photosynthesis is the process by which autotrophs convert inorganic carbon dioxide into organic glucose, effectively moving carbon into the biotic components of an ecosystem. Cellular respiration performs the opposite function, releasing carbon back into the atmosphere.