WorksheetsLiving in the Epipelagic
Total questions: 10
Worksheet time: 5mins
Organisms that float or drift in the ocean's currents
plankton
nekton
meroplankton
holoplankton
Organisms that can swim against currents (swim where they want to go):
plankton
nekton
meroplankton
holoplankton
Which term refers to the daily movement of zooplankton from the depths to the surface to feed on phytoplankton at night
holoplankton
meroplankton
vertical migration
water column
What type of plankton form the base of the oceanic food web and produces almost half of all atmospheric oxygen
phytoplankton
zooplankton
nekton
copepods
Surface layer of the ocean that receives enough sunlight for photosynthesis.
Photic Zone
Aphotic Zone
Disphotic Zone
Benthic Zone
Diatoms are
phytoplankton
zooplankton
A copepod is
phytoplankton
zooplankton
How do most plankton stay afloat?
swim bladder
high lipid content
high muscle content
high surface area
Phytoplankton are responsible for this percentage of the primary production in the ocean:
25%
50%
75%
95%
How can whales change the climate?
By mixing the water column while feeding and stirring up nutrients that phytoplankton need
By defecating nutrients at the surface that they captured while feeding in deeper water
By increasing phytoplankton numbers which helps reduce carbon dioxide in the atmosphere
All answers are correct
