Zooplankton that migrate vertically:
A) Hibernate at night and feed during the day.
B) Feed at the surface during the day,and migrate below the photic zone at night.
C) Feed in the photic zone during the day,and migrate to the surface at night.
D) Stay below the photic zone during the day,and feed at the surface at night.
E) Migrate up and down but always stay below the photic zone.
Correct Answer:
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