Multiple choice

what is the last stage of cultural eutrofication?

  1. fish kills

  2. increase in anaerobic bacteria

  3. increase in aerobic bacteria

  4. increase in plants such as duckweed

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

Cultural eutrophication leads to algal blooms, which eventually die and decompose. This decomposition process consumes oxygen, leading to an increase in anaerobic bacteria that thrive in the resulting low-oxygen conditions.