Title: Plankton PFD

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Title Plankton PFDs Category
BiologySubcategory Difficulty Unknown

• Year 2004 Bowl Shore Bowl
• Author C. Grant Law
• Contact info 732-932-6555 ext 310
• Email law_at_marine.rutgers.edu
• IMCS, Rutgers University
• 71 Dudley Rd.
• New Brunswick, NJ 08901

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QUESTION Round Time 2 minutes Standard/Category
Biology QUESTION
Although planktonic organisms are by definition
at the mercy of currents, many possess
adaptations which help them maintain their
position in the water column.

• Identify 10 strategies planktonic organisms
  utilize to maintain their position in the water
  column. (1 point each up to 10)
• 2) For each strategy mentioned, name an organism
  which utilizes it. (1 point each up to 10)

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ANSWER Round Time 2 minutes Standard/Category
Biology QUESTION/ANSWERS

• Identify 10 strategies planktonic organisms
  utilize to maintain their position in the water
  column. (1 point each up to 10)
• ANSWER Many answers are possible, here are a
  few . . .
• 1) Flagellae
• 2) Spines
• 3)Cilia
• 4) Swimming appendages
• 5) Undulating wings
• 6) Contracting bell
• 7) The formation of chains
• 8) Stored oils
• 9) Ctenes
• 10) Swimming fins
• 2) For each strategy mentioned, name an organism
  which utilizes it. (1 point each up to 10)
• ANSWER Many answers are possible, here are a
  few . . .
• 1) Dinoflagellates
• 2) Radiolarians
• 3)Trochophore larvae
• 4) Krill