Nutrient Cycling MCQs (Quiz 2)

1. In an ecosystem, a trophic level represents ______________

2. Nitrification refers to the bacterial conversion of _________________

3. What is the direct product of ammonification?

4. In nutrient cycling, a nutrient source is best described as ________________________

5. Producers are organisms that ________________

6. _____________ is called decomposition

7. In the context of nutrient cycling, assimilation is best defined as ____________________________

8. What is the final product of denitrification in the nitrogen cycle?

9. Weathering helps nutrient cycling by ______________________

10. _____________ of the following is a biotic component of an ecosystem