Nutrient Cycling MCQs (Quiz 2)

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

2. What is the direct product of ammonification?

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

4. Weathering helps nutrient cycling by ______________________

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

6. Producers are organisms that ________________

7. _____________ is called decomposition

8. Nitrification refers to the bacterial conversion of _________________

9. In an ecosystem, a trophic level represents ______________

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