Multiple Choice
Planktonic organisms are usually
A) Distributed at random in the water column
B) Found only at the air-water interface
C) Found near the surface during the day and at depth at night
D) Patchily distributed in the water column
Correct Answer:

Verified
Correct Answer:
Verified
Q12: Foraminifera and radiolaria share the following<br>A) They
Q13: PCR<br>A) Is a method to recover plankton
Q14: Dinoflagellates<br>A) Usually have two flagellae used for
Q15: Calanoid copepods<br>A) Are restricted to the Pacific
Q16: Viruses attack and burst cells in the
Q17: Many planktonic organisms have excesses of ammonium,
Q18: Dinoflagellates<br>A) Usually appear at the very beginning
Q19: Which of the following plankton size classes
Q21: Nautilus adjusts its vertical position in the
Q22: During a cycle of cell division, diatom<br>A)