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Plankton: Quiz

  
  
  
  

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More interesting facts on Plankton

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Question 1: Through (primarily) zooplankton grazing, this carbon enters the planktic foodweb, where it is either respired to provide metabolic energy, or accumulates as biomass or ________.
PlantMicroorganismDetritusAquarium

Question 2: They provide a crucial source of food to larger, more familiar aquatic organisms such as fish and ________.
Toothed whaleBeaked whaleCetaceaOceanic dolphin

Question 3: Plankton abundance and distribution are strongly dependent on factors such as ambient ________ concentrations, the physical state of the water column, and the abundance of other plankton.
NutrientOxygenDietary mineralNutrition

Question 4: Zooplankton are the initial prey item for almost all ________ larvae as they switch from their yolk sacs to external feeding.
FishForage fishPelagic fishFish anatomy

Question 5: Though many planktic (or planktonic—see section on Terminology) species are microscopic in size, plankton includes organisms covering a wide range of sizes, including large organisms such as ________.
CtenophoraJellyfishSiphonophoraeCnidaria

Question 6: Among the more important groups are the diatoms, ________, dinoflagellates and coccolithophores.
Gram-positive bacteriaCyanobacteriaStreptococcus iniaeProkaryote

Question 7: The micronutrient ________ is deficient in these regions, and adding it can lead to the formation of blooms of many kinds of phytoplankton[6].
OxygenChromiumZincIron

Question 8: ________ (from Greek phyton, or plant), autotrophic, prokaryotic or eukaryotic algae that live near the water surface where there is sufficient light to support photosynthesis.
Primary productionDiatomCyanobacteriaPhytoplankton

Question 9: most ________, copepods, salps, and some jellyfish).
AlgaePlantWild fisheriesPhotosynthesis

Question 10: Examples of meroplankton include the larvae of sea urchins, starfish, ________, marine worms, and most fish.
MalacostracaMaxillopodaCrustaceanArthropod
















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