In tropical water, the photic zone in the open ocean can extend down to:
A) 10 m.
B) 20 m.
C) 100 m.
D) 200 m.
E) 1000 m.
Correct Answer:
Verified
Q7: Particles suspended in the sea are called:
A)
Q8: Marine snow refers to:
A) neston.
B) seston.
C) cobwebby
Q9: The most abundant plankton are the:
A) phytoplankton.
B)
Q10: The base of the food web in
Q11: Kinetic organisms can move themselves by all
Q13: Marine snow is composed of:
A) inorganic nutrients.
B)
Q14: Primary productivity is limited in surface waters
Q15: Those organisms that can swim strongly against
Q16: Phytoplankton patchiness in the epipelagic can occur
Q17: Archaeans and bacteria are generally included in
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