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6. Copepods dominate what percent of plankton?

  • 80%
  • 70%
  • 50%
  • 90%

7. Temporary plankton is known as

  • Pleuston
  • Meroplankton
  • Neuston
  • Holoplankton

8. Diatoms and dinoflagellates are examples of

  • Phytoplankton
  • Zooplankton

9. Plankton that associates with the surface microlayer is known as

  • Holoplankton
  • Pleuston
  • Neuston
  • Meroplankton

10. What percentage of earths oxygen do phytoplankton produce through photosynthesis?

  • 50%
  • 30%
  • 25%
  • 15%

11. More than what percent of marine plants are algae?

  • 30%
  • 10%
  • 90%
  • 50%

12. Permanent plankton is known as

  • Meroplankton
  • Holoplankton
  • Pleuston
  • Neuston

13. Photoplankton absorb nutrients through their

  • cell wall
  • chloroplasts
  • membrane

14. zooplankton use diunral vertical migration?

  • True
  • False

15. Which shape aids plankton to remain in suspension

  • Elongated
  • Flat
  • Circle
  • Triangle

16. Phytoplankton are usually....

  • single celled or chains of cells
  • chains of cells
  • single celled

17. Some zooplankton feed on phytoplankton

  • True
  • False

18. What does settling rate of phytoplankton not depend on?

  • Frictional drag
  • Salinity
  • Body size

19. Which is not an advantage of being small as a plankton?

  • Avoids predation
  • Slow rate of sinking
  • Rapid regeneration rate
  • Easy uptake of nutients