Multiple choice

Which of the following is NOT an advanced biotic factor within an ecosystem?

  1. parasitism

  2. flooding

  3. disease

  4. migration
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Flooding is a physical, non-living event, making it an abiotic factor rather than a biotic one. Parasitism, disease, and migration all directly involve living organisms and their interactions.

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