Multiple Choice
Nitrogen is an essential element for plants, and most plants can only use certain forms of nitrogen.What are these forms and how do they become available in the soil?
A) Ammonification produces ammonia (NH3) ; nitrification produces molecular nitrogen (N2)
B) Ammonification produces ammonium ion (NH4+) ; nitrification produces nitrate (NO3)
C) Ammonification produces ammonium ion (NH3+) ; denitrification produces nitrite (NO2-)
Correct Answer:

Verified
Correct Answer:
Verified
Q9: Logistic population growth patterns are indicative of
Q10: The trophic level transfer efficiency (TLTE) is
Q11: Which two terrestrial biomes are most likely
Q12: Trees in a hardwood forest are an
Q13: Bees are important pollinators of flowering plants.When
Q15: What is the key difference between a
Q16: What are the three primary ecosystem types?<br>A)marine,
Q17: Net production efficiency (NPE) is defined as
Q18: What on Earth is an ecosystem?<br>A)An ecosystem
Q19: Which type of biome is characterized by