Multiple Choice
In the tropical gyre centers
A) Nitrogen often comes mainly from excretion processes
B) Nitrogen is supplied mainly on windless days from regeneration across the thermocline
C) Nitrogen mainly circulates in the form of nitrate
D) Nitrogen is surprisingly abundant
Correct Answer:
Verified
Correct Answer:
Verified
Q1: Toxic algal blooms<br>A) Have only been observed
Q2: Marine snow<br>A) Forms only in Antarctic waters<br>B)
Q3: In contrast to phosphorous, nitrogen<br>A) Is only
Q4: At the compensation depth<br>A) Phytoplankton oxygen production
Q6: Phytoplankton species that appear early in succession
Q7: In phytoplankton in offshore waters<br>A) We would
Q8: Plankton may be concentrated<br>A) At the thermocline<br>B)
Q9: A phytoplankton bloom will begin to increase
Q10: The presence of a microbial loop is
Q11: In turbid nearshore ocean waters<br>A) Light penetration