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Introduction to Protists quiz #2

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  • Which of these organisms are sessile?
    Sessile organisms are those that are fixed in one place and do not move. Examples include certain types of algae and some protozoans.
  • What characteristic is common to all protists?
    All protists are eukaryotic, meaning they have a nucleus and other membrane-bound organelles.
  • What methods of locomotion can be observed among protozoa?
    Flagella, cilia, and pseudopodia.
  • Which pigment is not found in red algae?
    Chlorophyll b
  • Which protist has an eyespot to help it find light to make food?
    Euglena has an eyespot that helps it detect light for photosynthesis.
  • How can a paramecium carry out all of life’s functions?
    A paramecium carries out all life functions using its organelles, such as cilia for movement, a contractile vacuole for osmoregulation, and a nucleus for genetic control.
  • What protists use pseudopodia for movement and may or may not have a shell?
    Amoebas use pseudopodia for movement and may or may not have a shell.
  • Which of these is not true about both protostomes and deuterostomes living on land?
    Both protostomes and deuterostomes have adapted to terrestrial life, but not all have developed lungs or similar respiratory structures.
  • What type of symmetry is shared by both protostomes and deuterostomes?
    Bilateral symmetry
  • Which statement best describes protists?
    Protists are a diverse group of eukaryotic organisms that do not fit into the categories of plants, animals, or fungi.
  • What are the characteristics of red algae?
    Presence of phycobilins, multicellular structure, and lack of flagella.
  • What methods and/or structures do protists utilize for movement?
    All of the above
  • What characteristic is not found in paramecium?
    Photosynthetic
  • Which organism is sessile?
    Barnacles
  • Which statement describes all protists?
    All protists are eukaryotic organisms that do not fit into the categories of plants, animals, or fungi.
  • Which organism has a siphon?
    Squid
  • What are the characteristics of ctenophores?
    Bioluminescence, radial symmetry, and ciliary plates
  • What characteristic is not found in parasitic helminths?
    Photosynthetic
  • Which type of organism is most likely to have a nerve net?
    Cnidarians
  • Which protist group is most closely related to land plants?
    Green algae
  • Which statement accurately describes alternation of generations in protists?
    Alternation of generations in protists involves a life cycle that alternates between a multicellular haploid phase and a multicellular diploid phase.
  • What structure is not used for locomotion in protists?
    D) Siphon
  • How does a euglena obtain nutrients?
    Euglena can obtain nutrients through photosynthesis using its chloroplasts or by absorbing nutrients from the environment.
  • Which groups of algae contain multicellular organisms?
    D) All of the above
  • Which organisms are found in the kingdom Protista?
    D) All of the above
  • Which of these are functions of the spores or cysts formed by many protists? A) Protection from harsh conditions B) Reproduction C) Dispersal D) All of the above
    D) All of the above
  • What is true about protozoa regarding their cellular organization?
    C) They are all eukaryotic
  • Giardia belongs to which group within the supergroup Excavata?
    Giardia belongs to the diplomonads group within the supergroup Excavata.
  • What are true characteristics of members of the phylum Nematoda?
    D) All of the above
  • What two cell structures do protists have that bacteria do not?
    Protists have a nucleus and membrane-bound organelles, which bacteria do not.
  • Which statement describes the function of the eye spot in a euglena?
    The eye spot in a euglena helps it detect light, aiding in photosynthesis.
  • Is the paramecium a unicellular or multicellular organism?
    The paramecium is a unicellular organism.
  • How do barnacles feed?
    Barnacles feed by filtering plankton and other small particles from the water using their feathery appendages called cirri.
  • Which protozoan is associated with the ability to cause severe dysentery?
    Entamoeba histolytica is associated with causing severe dysentery.
  • What is true about the Plasmodium parasite?
    D) All of the above
  • What is true of all organisms in the kingdom Protista?
    All organisms in the kingdom Protista are eukaryotic.
  • Where would you find a sessile organism?
    Sessile organisms are typically found attached to surfaces in aquatic environments or on land, such as rocks or the ocean floor.
  • What is a correct statement about cellular slime molds?
    Cellular slime molds exist as individual cells but can aggregate to form a multicellular structure when resources are scarce.