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Protists and Plankton: Characteristics and Life Cycle
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Protists and Plankton: Characteristics and Life Cycle

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Questions and Answers

What type of plankton is characterized as motile and nonphotosynthetic?

  • Cryptoplankton
  • Bacterioplankton
  • Zooplankton (correct)
  • Phytoplankton

    • What is the term for the process by which a trophozoite becomes a cyst?

  • Binary Fission
  • Schizogony
  • Excystment
  • Encystment (correct)

    • What is the term for the stage of the life cycle where protozoa feed on small particulate food sources such as bacteria?

  • Trophozoite stage (correct)
  • Encystment stage
  • Cyst stage
  • Excystment stage

    • What is the term for the products of schizogony?

    <p>Merozoites</p> Signup and view all the answers

    What is the term for the type of reproduction that occurs in some protozoans, where the nucleus of a cell divides multiple times before the cell divides into many smaller cells?

    <p>Schizogony</p> Signup and view all the answers

    What is the process called when protozoans exchange genetic material by joining to exchange DNA?

    <p>Conjugation</p> Signup and view all the answers

    What is the structure called that adds rigidity to the plasma membrane of some protozoans?

    <p>Pellicle</p> Signup and view all the answers

    What is the term for protozoans that ingest small, soluble food molecules?

    <p>Saprozoic</p> Signup and view all the answers

    What is the function of oral grooves in protozoans?

    <p>To sweep in food particles</p> Signup and view all the answers

    What is the purpose of contractile vacuoles in some protozoans?

    <p>To move water out of the cell for osmotic regulation</p> Signup and view all the answers

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