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- 1. Multiple Choice
All phytoplankton are ...
autotrophic
heterotrophic
meroplankton
macroplankton
- 2. Multiple Choice
Red tides are caused by .. .
Krill
Jellyfish
Man "O" War
Dinoflagellates
- 3. Multiple Choice
When a population of plankton explodes, the event is called...
Bump
Balloon
Bomb
Bloom
- 4. Multiple Choice
Plankton that uses photosynthesis:PhytoplanktonZooplankton - 5. Multiple ChoiceDiatoms are:PhytoplanktonZooplankton
- 6. Multiple ChoicePhytoplankton are associated with the photic zone because they rely on the sun for the process of:RespirationPhotosynthesisChemosynthesisHeterotrophs
- 7. Multiple Choice
Which organism is at the base of a marine food web?
crab
phytoplankton
whale
zooplankton
- 8. Multiple Choice
Which are there more of, zooplankton or phytoplankton?
Phytoplankton
Zooplankton
Both
- 9. Multiple Choice
Animal members of the plankton community.
Phytoplankton
Meroplankton
Holoplankton
Zooplankton
- 10. Multiple Choice
What silica-coated organism(s) are pictured here?
Diatoms
Dinoflagellates
Zooplankton
Nekton
- 11. Multiple Choice
What organism(s) are pictured here?
Diatom
Dinoflagellate
Zooplankton
Nekton
- 12. Multiple Choice
What organism(s) are pictured here?
Diatoms
Dinoflagellates
Zooplankton
Nekton
- 13. Multiple Choice
Which of the following are primary producers?
Diatoms and Dinoflagellates
Radiolarians and Zooplankton
Baleen whales
Small fish that get eaten by larger fish
- 14. Multiple ChoiceWhat are tiny organisms that float near the surface of the water?planktonorganismsabiotic factorinsects
- 15. Multiple Choice
What organism(s) are pictured here?
Diatom
Dinoflagellate
Zooplankton
Nekton
- 16. Multiple ChoiceWhich is a kind of phytoplankton?lion’s mane jellyfishsea butterflyalgaecopepod
- 17. Multiple ChoiceDinoflagellates can cause __________ which is toxic to fish, shellfish and humans.Green TIdeRed TideMalariaAlgal Bloom
- 18. Multiple Choice
What do dinoflagellates use to move?
cilia
fins
flagella
spines
- 19. Multiple ChoiceWhich best describes the source of oxygen in ocean water?Oxygen is produced by marine plants in the process of making food.
Oxygen is produced through the exhalations of marine animals.
Oxygen is produced through precipitation falling on the ocean.Oxygen is produced by nodules on the ocean floor. - 20. Multiple ChoiceAn organism that derives nourishment from other organisms because it is unable to synthesize its own food molecules.AutotrophHeterotrophPhytoplanktonMeroplankton
- 21. Multiple Choice
The larvae of crabs and krill belong to which group of plankton?
Phytoplankton
Zooplankton
Holoplankton
None of the above
- 22. Multiple ChoiceWhat is the term used to describe a sudden increase in phytoplankton growth?A SpringA MigrationA BloomA Flower
- 23. Multiple ChoiceWhat is the name of this organism?coccolithophorecyanobacteriadinoflagellatediatom
- 24. Multiple Choice
What organism(s) are pictured here?
Diatoms
Dinoflagellates
Zooplankton
Nekton
- 25. Multiple Choice
What eats phytoplankton?
Bacteria
Zooplankton
Mammals
Humans
- 26. Multiple Choice
Zooplankton are all of the following except:
krill
copepods
dinoflagellates
jellies
- 27. Multiple Choice
Based on the Greek work for "wanderer"
Plankton
Dinoflagellate
Coccolithophore
Diatom
- 28. Multiple Choice
Considered a "mixotroph"
Plankton
Dinoflagellate
Coccolithophore
Diatom
- 29. Multiple Choice
Calcium carbonate shell
Plankton
Dinoflagellate
Coccolithophore
Diatom
- 30. Multiple Choice
Used in cat litter and silica gels
Plankton
Dinoflagellate
Coccolithophore
Diatom
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