Multiple choice

What is the role of bacteria and fungi in our ecosystem?

  1. To return chemical energy to plants

  2. To release nutrients from dead plants and animals

  3. To increase the amount of carbon dioxide in air

  4. To increase oxygen in air
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Bacteria and fungi act upon dead and decaying matter and convert it into simpler form, so that the nutrients are returned back to the nutrients pool.

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