Multiple Choice
Which of the following is NOT correct regarding nitrogen?
A) Atmospheric nitrogen is accessible directly to most organisms.
B) Bacterial action is key to the nitrogen cycle.
C) Nitrogen is very important to organisms.
D) The atmosphere contains about 78% nitrogen,
Correct Answer:
Verified
Correct Answer:
Verified
Q18: A monocultural agriculture community is _ vulnerable
Q77: Species extinctions have occurred throughout Earthʹs history,so
Q78: If a lava flow completely denudes a
Q79: Consider a simple food chain in which
Q80: An ecosystem is a(n)_system in terms of
Q81: Respiration involves<br>A)a chemical reaction between carbohydrates and
Q83: An organism capable of synthesizing its own
Q86: Photosynthesis converts<br>A)heat energy,carbon dioxide,and water into carbohydrates
Q87: A study of the spatial distribution of
Q104: An orogeny that separates a once continuous