Multiple choice

Which of the following is not the component of ecosystem?

  1. Autotrophic component

  2. Chemotrophs component

  3. Heterotrophic components

  4. None of these

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

Autotrophic (producers), chemotrophic (chemical energy users), and heterotrophic (consumers) components are ALL types of biotic components found in ecosystems. Therefore, 'None of these' is correct because all three listed options ARE valid ecosystem components.