Multiple Choice
Aquatic ecosystems can be limited by silicon because
A) there are few silicon organisms in the upper waters.
B) many organisms compete for the silicon.
C) silicon sinks slower than nitrogen or phosphorus.
D) silicon sinks faster than nitrogen or phosphorus.
Correct Answer:
Verified
Correct Answer:
Verified
Q5: Aquatic NPP is primarily limited by<br>A) fertility.<br>B)
Q6: The percentage of energy or biomass in
Q7: Silicon is used primarily by<br>A) zooxanthellae.<br>B) zooplankton.<br>C)
Q8: Why when measuring primary productivity is O<sub>2</sub>
Q9: Why have non-native earthworms caused a decline
Q11: Which is the portion of energy that
Q12: The rate at which solar or chemical
Q13: Energy that an organism uses to add
Q14: When an animal eats fruit with hard
Q15: The biomass of producers in a given